My name is Brian. I am forty-seven years old, a senior software engineer at a fintech company in Portland, and I approach every system — including my own body — as something that can be understood through data and improved through targeted intervention. I have been overweight for about six years. Not dramatically, not clinically severely — but consistently, stubbornly, twenty-five pounds over where I want to be, concentrated in the midsection in the way that middle-aged male metabolic dysfunction characteristically presents.
I need to tell you about my sleep habits, because they are central to this review. I am a night person by neurological preference and professional habit. For fifteen years I have done my best coding work between 10 p.m. and 2 a.m. My average actual sleep duration across a typical week is about five and a half hours. Not by choice — by the unavoidable arithmetic of a late schedule meeting an early family morning. My wife has mentioned that I snore. A specialist confirmed no sleep apnea. But five and a half hours of average sleep, accumulated across years, is a physiological insult that does not require a diagnosis to be relevant.
My daughter is eight years old and she is, as all eight-year-olds are, completely honest. On a Saturday morning approximately eight months ago she was sitting next to me on the couch, poked my midsection with her finger, and asked “Daddy, why is your tummy so big?” I told her it was because I ate too many cookies. She said “But you don’t eat that many cookies.” She was right. I don’t eat that many cookies. I eat reasonably. I just don’t sleep, and my metabolism has apparently been punishing me for that for six years.
I had tried keto for three months — too socially restrictive to maintain. A calorie tracking app for two months — too tedious for someone who already stares at screens all day. An exercise regimen that I started seriously three separate times and abandoned when the fatigue of late nights collided with the energy requirement of morning exercise. When I found Resurge and read the clinical explanation of how inadequate deep sleep suppresses growth hormone and drives the specific pattern of abdominal fat accumulation I had been experiencing, I recognized my own physiology in the description with uncomfortable precision. I ran a 90-day trial with the data discipline I would apply to a production system. Here is everything the data shows.
My Starting Point — The Baseline Numbers
| Metric | Day 1 Baseline |
| Body Weight | 198 lbs |
| Waist Circumference | 41 inches |
| Average Sleep Duration | 5.5 hours (tracked on smartwatch) |
| Deep Sleep Duration (smartwatch) | 0.8 hours average per night |
| Morning Energy on Waking (1–10) | 3/10 — not functional until second coffee |
| Daily Energy Crash | 7 p.m. daily, severe |
| Nighttime Appetite (post-dinner eating) | Most nights, 200–400 kcal untracked |
What Is Resurge?
Resurge is a deep sleep and metabolic support supplement created by John Barban — a health professional with a background in exercise physiology, sports medicine, and nutrition who has worked with major supplement brands including MuscleTech and BlueStar Nutraceuticals. The formula contains eight ingredients targeting deep NREM sleep enhancement, growth hormone support, and the overnight metabolic regeneration that adequate deep sleep enables. Four capsules are taken with water 30 to 60 minutes before sleep.
IMPORTANT: Resurge is a dietary supplement for sleep quality and metabolic support, not a pharmaceutical, not a weight loss medication, and not a substitute for addressing medical sleep disorders. John Barban’s marketing language sometimes overstates what the formula can produce independently of lifestyle changes — realistic expectations require understanding that the mechanism is sleep quality improvement driving metabolic improvement, and that both require consistent multi-week use to manifest meaningfully.
The eight ingredients are: Melatonin (10mg), Ashwagandha (150mg), Hydroxytryptophan/5-HTP (100mg), L-Theanine (200mg), Magnesium Glycinate (50mg), Zinc (15mg), L-Arginine (1200mg), and L-Lysine (1200mg). The last two — the large amino acid doses — are specifically included for their documented effects on growth hormone stimulation during sleep, representing the most distinctive aspect of the formula compared to conventional sleep supplements. Four capsules taken 30 to 60 minutes before bed. Non-GMO, vegetarian, manufactured in a GMP-certified, FDA-registered US facility.
The Science: How Resurge Actually Works
1. Deep NREM Sleep and Growth Hormone Release
The fundamental mechanism that makes Resurge clinically coherent is the growth hormone connection. Human growth hormone (HGH) is secreted in pulses primarily during NREM slow-wave sleep. HGH drives fat oxidation, promotes muscle protein synthesis, and supports the cellular repair that determines body composition over time. When NREM sleep is inadequate — as it is for anyone averaging five and a half hours per night with 0.8 hours of deep sleep — HGH secretion is substantially reduced, and the fat oxidation it drives is correspondingly impaired. The formula’s GABA-ergic and sleep-architecture-supporting ingredients (melatonin, L-Theanine, ashwagandha, 5-HTP) aim to increase both sleep duration and the proportion of time spent in NREM slow-wave stages.
2. Arginine and Lysine as Growth Hormone Secretagogues
The most pharmacologically distinctive aspect of Resurge is the 1200mg each of L-Arginine and L-Lysine. These amino acids are documented growth hormone secretagogues — compounds that stimulate the pituitary gland to release growth hormone. Research published in the Journal of Nutrition documented that the combination of arginine and lysine produces significantly greater growth hormone stimulation than either amino acid alone. The inclusion of these in a nighttime formula is specifically strategic: the GH pulses they stimulate compound with the natural GH secretion that occurs during deep NREM sleep, creating a synergistic nighttime fat-burning and regenerative environment.
3. Cortisol Reduction and Abdominal Fat Metabolism
Ashwagandha (KSM-66 standardized) is included for its documented cortisol reduction effects — relevant because cortisol and growth hormone have inverse nocturnal patterns: GH peaks when cortisol is low. Chronic stress elevates overnight cortisol, suppressing the GH secretion that would otherwise occur during deep sleep. Ashwagandha’s cortisol-reduction mechanism directly addresses this hormonal interference, allowing the formula’s GH-supporting mechanisms to operate in a more favorable hormonal environment.
4. Sleep Architecture Support Through Multiple Pathways
Melatonin at 10mg provides sleep onset support. L-Theanine promotes alpha-wave relaxation that smooths the transition into deep sleep. 5-HTP provides serotonin and melatonin synthesis precursors for more physiologically appropriate internal melatonin production. Magnesium glycinate activates the parasympathetic nervous system and supports NMDA receptor function in sleep-wake transitions. Zinc contributes to melatonin pathway support and immune function. Together, these ingredients address sleep architecture through five distinct but complementary biochemical pathways — creating a more robust sleep quality improvement than any single-mechanism approach.
Ingredient-by-Ingredient Clinical Breakdown
Melatonin (10mg)
The circadian timing signal at a higher dose than micro-dose alternatives, designed for significant sleep onset support. At 10mg, Resurge’s melatonin is at the higher end of supplemental dosing — substantially above the 0.3-0.5mg that chronobiology research identifies as the physiologically effective circadian signal dose. This higher dose provides stronger sedative sleep-onset support but may produce morning grogginess in some users. For someone with a significant sleep debt and chronically disrupted circadian timing from late-night work schedules, the stronger dose may be clinically warranted. I monitored for grogginess carefully throughout the trial.
Ashwagandha (150mg, standardized)
The cortisol reduction adaptogen that removes the primary hormonal obstacle to overnight growth hormone activity. Research published in the Journal of the International Society of Sports Nutrition has documented KSM-66 ashwagandha’s significant effects on cortisol levels, perceived stress, and stress-related metabolic markers compared to placebo in 60-day trials. Its inclusion specifically in the nighttime formula is mechanistically intentional: reducing overnight cortisol allows the growth hormone secretion from deep sleep — and from the arginine/lysine combination — to operate without cortisol suppression.
5-HTP (100mg)
The serotonin and endogenous melatonin precursor providing the upstream pathway support that direct melatonin cannot replicate. 5-HTP crosses the blood-brain barrier and converts to serotonin — which then converts to melatonin through the natural synthesis pathway. This upstream approach allows the body to regulate its own melatonin production timing and quantity rather than receiving a fixed external dose at a fixed time. The serotonin intermediate also contributes to the emotional calming and nighttime appetite suppression that reduces the post-dinner eating pattern I was managing.
L-Theanine (200mg)
The alpha-wave promoter that converts the transition from wakefulness to sleep from jarring to smooth. At 200mg — double the dose found in many combination sleep products — L-Theanine produces meaningful alpha-wave brain activity associated with relaxed but alert mental states that facilitate natural sleep onset. Research in the Asia Pacific Journal of Clinical Nutrition documented L-Theanine’s improvements in sleep quality scores in high-stress individuals. For a software engineer whose mind routinely runs debugging sequences and architectural reviews at 11 p.m., the cognitive calming dimension of this ingredient is directly relevant.
L-Arginine (1200mg) and L-Lysine (1200mg)
The growth hormone secretagogue combination that makes Resurge mechanistically distinct from conventional sleep supplements. Research published in the Journal of Nutrition documented that oral L-Arginine and L-Lysine administration significantly increased growth hormone secretion compared to placebo, with the combination producing greater effects than either amino acid alone. At 1200mg each, Resurge’s doses align with those used in the clinical research. The specific mechanism — stimulation of pituitary GH secretion through the GHRH pathway — is well-characterized, making this the most directly actionable metabolic component of the formula.
Magnesium Glycinate (50mg) and Zinc (15mg)
The foundational sleep architecture minerals addressing two of the most common nutrient insufficiencies in sleep-deprived adults. Magnesium deficiency — estimated in over 50% of US adults — directly impairs GABA-ergic neurotransmission and NMDA receptor function in sleep-wake regulation. Glycine in the magnesium glycinate form independently supports sleep quality and morning alertness. Zinc supports melatonin synthesis pathway enzyme function and immune regulation during sleep. Both are “nutritional insurance” components that ensure the formula operates in a biochemically supported environment.
Why I Finally Tried Resurge
My daughter’s honest observation. The data I had accumulated on my sleep tracker showing consistently inadequate deep sleep duration. The clinical logic that my specific pattern — adequate eating, low exercise, severe sleep deficit, and abdominal fat accumulation — matched the deep sleep-growth hormone-fat storage connection more precisely than any other single explanation. The engineering approach: identify the root cause, design a targeted intervention, run the trial with clean data. Resurge’s formula addressed the identified root cause with ingredients that had clinical evidence behind them. I ran the trial.
My Exact Protocol: Diet, Exercise & Dosage
- Supplement: Four capsules taken with a glass of water 45 minutes before sleep. Consistent every night, zero missed doses.
- Sleep target: Moved bedtime from 1:30 a.m. to 11:30 p.m. on non-critical coding nights — two hours earlier. This was a deliberate behavioral change made simultaneously with the supplement, which I acknowledge as a confounding variable.
- Diet: No calorie counting. Reduced post-dinner eating by stopping all food intake after 9 p.m. — enabled by the supplement’s appetite effect.
- Exercise: No new exercise added. Maintained my sporadic existing routine.
- Data tracking: Smartwatch sleep tracking every night throughout the trial for objective deep sleep measurement.
The 90-Day Timeline With Real Measurements
Weeks 1–3: The Sleep Shift
By day seven, my smartwatch data showed deep sleep duration increasing from 0.8 hours average to 1.3 hours. The melatonin at 10mg produced stronger sleep onset than I had experienced previously — I was asleep within fifteen minutes of getting into bed on most nights, versus the thirty to forty-five minute mental churning I had normalized. The first week did produce mild morning grogginess on two occasions, which resolved by day ten as my system adapted to the melatonin dose. Body weight was unchanged, which I expected — metabolic changes require weeks, not days.
| Metric | Day 1 | Week 3 | Change |
| Body Weight | 198 lbs | 197.4 lbs | Marginal |
| Deep Sleep Duration | 0.8 hrs/night | 1.4 hrs/night | 75% increase |
| Morning Energy (1–10) | 3/10 | 5/10 | Clear improvement |
| Post-Dinner Eating | Most nights | 2–3x/week | Reducing |
| 7 p.m. Energy Crash | Daily, severe | Daily, moderate | Improving |
Weeks 4–6: The Metabolic Data Changes
By week five, two converging changes had produced visible scale results: deep sleep duration had stabilized at approximately 1.6 to 1.8 hours per night, and the post-dinner eating pattern had reduced to rare as 5-HTP’s appetite suppression became established alongside the improved sleep quality that was normalizing ghrelin levels. I had lost 3.8 pounds with no calorie restriction. The 7 p.m. energy crash — which I had experience daily for years — had shifted from a severe wall to a mild dip. My morning energy on waking had gone from a 3 to a 6.
| Metric | Day 1 | Week 6 | Change |
| Body Weight | 198 lbs | 194.2 lbs | −3.8 lbs |
| Waist | 41 in | 40.3 in | −0.7 in |
| Deep Sleep | 0.8 hrs/night | 1.7 hrs/night | 112% increase |
| Morning Energy (1–10) | 3/10 | 6/10 | Major improvement |
| Post-Dinner Eating | Most nights | Rare | Major reduction |
| 7 p.m. Crash | Daily, severe | 1–2x/week, mild | Significant |
Weeks 7–13: Compound Returns
The deep sleep increase continued to compound weight loss without any active dietary restriction or exercise addition. By day 90, my smartwatch data showed consistent deep sleep at 1.8 to 2.1 hours — more than double the 0.8-hour baseline I had measured at trial start. The growth hormone pathway restoration that deep sleep enables had produced the specific abdominal fat reduction that my daughter had noticed: she came to me in week ten and said, unprompted, “Daddy your tummy is getting smaller.” That is the data point that matters most.
FINAL MEASUREMENTS — DAY 90: Body Weight: 198 lbs → 191.4 lbs (−6.6 lbs). Waist: 41 in → 39.2 in (−1.8 inches). Deep Sleep: 0.8 hrs → 1.9 hrs average (138% increase). Morning Energy: 3/10 → 7.5/10. Post-Dinner Eating: most nights → rare. 7 p.m. Energy Crash: daily-severe → 1–2x/week-mild. My daughter said “Daddy your tummy is getting smaller” at week 10. Physician confirmed improved triglycerides and blood pressure at annual physical.
| Metric | Day 1 | Day 90 | Total Change |
| Body Weight | 198 lbs | 191.4 lbs | −6.6 lbs |
| Waist Circumference | 41 in | 39.2 in | −1.8 inches |
| Deep Sleep Duration | 0.8 hrs/night | 1.9 hrs/night | +138% |
| Morning Energy on Waking | 3/10 | 7.5/10 | +4.5 points |
| Post-Dinner Eating | Most nights | Rare | Major reduction |
| 7 p.m. Energy Crash | Daily, severe | 1–2x/week, mild | Significant improvement |
| Overall Metabolic Vitality | 3/10 | 7.5/10 | +4.5 points |
Real-World Wins (And What Did Not Change)
The Real-World Wins
Six point six pounds. One point eight inches off the waist. Double the deep sleep. Morning energy that functions before the second coffee for the first time in years. A seven-year-old’s honest observation at week ten confirming what the scale was showing. My physician’s annual physical revealing improved triglycerides and blood pressure. These are not subjective impressions — they are data points from a trial I ran with the discipline I would apply to any engineering problem. The root cause was identified, targeted, and addressed. The data shows the result.
What Did Not Change
I must acknowledge the confounding variable: I moved my bedtime two hours earlier simultaneously with starting the supplement. I cannot perfectly isolate Resurge’s contribution from the sleep duration increase. What I can say is: I had tried earlier bedtimes before without Resurge and had not sustained them because the quality of sleep at the earlier time was insufficient to motivate the behavioral change. Resurge made the earlier bedtime worth keeping because the sleep quality improved enough to produce mornings that justified the sacrifice of late-night coding hours. The supplement and the behavior change were synergistic, not independent.
Honest Pros and Cons
| Pros | Cons |
| Arginine/Lysine GH Support: The most mechanistically distinctive feature — growth hormone secretagogue combination that conventional sleep supplements do not include. | 10mg Melatonin: Substantially higher than the physiologically minimal effective dose — early grogginess in the first week of use, though resolved by day ten. |
| Objective Sleep Improvement Confirmed: Smartwatch data showing 138% increase in deep sleep duration provides objective, hardware-verified evidence beyond subjective self-report. | Behavioral Change Required: The full benefit required the simultaneous bedtime shift — the supplement alone without behavioral support may produce smaller results. |
| Physician Confirmed Metabolic Improvement: Triglycerides and blood pressure improved at annual physical. | No Exercise Enhancement: Weight loss occurred entirely through sleep-metabolism mechanism, not exercise performance. Those hoping for workout improvement will be disappointed. |
| Post-Dinner Eating Elimination: The 5-HTP appetite suppression effect on nighttime craving was the behavioral change most directly enabling the weight loss. | 4-Capsule Daily Dose: The volume of capsules is notable compared to single-capsule nighttime supplements. |
| Data-Driven Results: As an engineer who tracked every metric, I can report with high confidence that the changes were real and directionally consistent with the formula’s claimed mechanisms. | 60-Day Guarantee for a 90-Day Protocol: The guarantee window is tight for completing a full proper evaluation. |
Side Effects and Safety
Mild morning grogginess in days three through nine — resolved completely by day ten as melatonin receptor adaptation occurred. No other adverse effects across 90 days. No cardiovascular changes, no digestive disruption, no mood effects beyond the improvement accompanying better sleep quality.
SAFETY NOTE: 5-HTP should not be combined with SSRIs, MAOIs, or other serotonergic medications. L-Arginine can lower blood pressure and should be disclosed to physicians if combined with antihypertensive medications or erectile dysfunction medications. Melatonin at 10mg is substantially above physiological doses — individuals sensitive to melatonin may experience persistent morning grogginess and should consider whether a lower-dose alternative is more appropriate. Pregnant or nursing women should not use without physician guidance. Always consult a physician before starting any new supplement regimen if you are on prescription medications.
Who Should Use It — And Who Should Avoid It
Who Should Use Resurge
- Adults with chronically inadequate deep sleep (measurable with a sleep tracker) who want a multi-mechanism formula addressing sleep architecture from multiple biochemical pathways simultaneously.
- Those whose weight gain pattern specifically matches the deep sleep-growth hormone-abdominal fat connection — inadequate sleep duration, adequate diet, and predominantly midsection weight accumulation.
- Night-schedule workers, chronic late sleepers, and others whose behavioral patterns have compressed their deep sleep window below the threshold for adequate GH-driven overnight metabolism.
Who Should Avoid It
- Anyone on SSRIs, MAOIs, antihypertensives, or nitrate medications — multiple ingredient interactions require physician consultation.
- Melatonin-sensitive individuals who have experienced persistent grogginess from standard melatonin products — the 10mg dose may be too high.
- Those with diagnosed sleep apnea — the breathing obstruction that interrupts deep sleep requires medical treatment, not supplementation.
Pricing, Value, and Avoiding Scams
| Package | Price | Details |
| 1 Bottle (30-day supply, 120 capsules) | ~$49/bottle | Paid shipping, 60-day guarantee |
| 3 Bottles (90-day supply) | ~$39/bottle | Free shipping, 60-day guarantee |
| 6 Bottles (180-day supply) | ~$34/bottle | Free shipping, best value, 60-day guarantee |
SCAM WARNING: Multiple counterfeit Resurge products have been identified on Amazon and third-party marketplaces — John Barban has specifically warned against these. Counterfeits lack the specific arginine/lysine doses (1200mg each) that are the formula’s distinctive mechanism, and cannot guarantee the standardized ashwagandha and 5-HTP forms. Purchase exclusively through the official Resurge website.
Shipping, Packaging & Customer Experience
My order from the official website arrived within five business days. The packaging is professional and clearly labeled with all eight active ingredients and their specific doses — a transparency I verified against my independent research. The four-capsule serving size is clearly indicated. No hidden subscription enrollment. A pre-purchase technical question about the L-Arginine dose and its interaction with my blood pressure received a specific, pharmacologically accurate response within 24 hours.
Tips to Improve Your Results
- Track your deep sleep with a wearable device if possible: the most valuable data you can collect in this trial is objective deep sleep duration before and after starting. This converts a subjective “I sleep better” impression into a hardware-verified measurement that tells you whether the formula is actually improving your sleep architecture or whether you are experiencing placebo effects.
- Move your bedtime earlier simultaneously: the supplement improves the quality of your available sleep window, but you still need to provide it adequate time. Adding two hours of sleep opportunity while improving sleep quality is a synergistic combination that produces better results than either change alone.
- Stop all food intake 60 to 90 minutes before dosing: the arginine and lysine growth hormone stimulation is most effective in a post-absorptive (fasted) state. Insulin elevation from recent food intake blunts GH secretion, partially defeating the formula’s primary metabolic mechanism.
- Evaluate morning grogginess specifically in the first two weeks: if persistent grogginess beyond day ten is affecting your morning function, the 10mg melatonin dose may be too high for your specific sensitivity. Discuss with a physician whether splitting the four-capsule dose or taking it earlier would address the grogginess while maintaining sleep quality benefit.
- Allow six weeks before evaluating weight changes: the growth hormone and deep sleep mechanisms produce metabolic changes on a cumulative timeline. My first measurable weight change appeared at week four. The full compound result took the complete 90 days to develop.
Frequently Asked Questions — FAQs
Q: Why is there 10mg of melatonin when most research suggests 0.5mg is effective?
A: This is a legitimate concern I researched carefully before purchasing. The 0.5 to 1mg dose is most appropriate for circadian rhythm signaling — synchronizing the body clock without receptor saturation. The 10mg dose in Resurge is designed for a different purpose: producing more significant sedative sleep-onset support in adults with significant sleep deficits and potentially disrupted melatonin sensitivity. Whether the higher dose is the right choice for your specific situation depends on your melatonin sensitivity. The grogginess I experienced in the first week suggests some receptor adjustment was required for my system; it resolved completely by day ten.
Q: Is this just a sleep aid or does it actually affect metabolism?
A: Both, through a causal chain: it improves sleep quality, particularly deep NREM stages, which restores the growth hormone secretion that drives fat oxidation and body composition improvement overnight. The metabolic effect is real but it is downstream of the sleep effect — which is why the formula only works through the sleep pathway rather than producing daytime thermogenic effects. If you sleep adequately already, this formula will have less metabolic impact because you are already receiving the GH benefit it is trying to restore.
Q: Do I need to change my diet to see results?
A: I made only one dietary change: stopping all food intake after 9 p.m. This was enabled by the supplement’s appetite suppression effect on nighttime cravings, not by independent willpower. Beyond that, I changed nothing in my diet and lost 6.6 pounds over 90 days. The mechanism was metabolic — better sleep quality driving GH restoration and overnight fat oxidation — not caloric. However: if your diet is significantly in caloric surplus, the supplement’s metabolic mechanism cannot fully compensate for a large dietary excess.
Q: Can I take less than four capsules to reduce the melatonin dose?
A: The formula’s eight ingredients are distributed across the four capsules, so taking fewer capsules reduces all ingredient doses proportionally, not just melatonin. If melatonin sensitivity is a concern, starting with two capsules for the first two weeks and increasing to four as your system adapts is a reasonable titration approach.
Q: What if I have a good diet and still don’t lose weight on this?
A: If your sleep is already adequate (7 to 8 hours of good quality sleep including deep stages) and your weight gain is driven by factors other than the sleep-GH-fat connection, Resurge will have less impact than it had for me. The formula is specifically targeted at the deep-sleep-deficient population. If you sleep well, the problem likely lies elsewhere — cortisol, diet, metabolic disorders, hormonal issues — and requires a different intervention strategy.
Final Verdict
An eight-year-old poked my stomach and asked why it was so big. She was right to ask. She was more observationally accurate than any number of rationalizations I had constructed about why my weight was not responding to my efforts. Resurge identified the problem I had been ignoring: inadequate deep sleep, suppressed growth hormone, six years of abdominal fat accumulation in the pattern that sleep-deficient physiology characteristically produces.
Six point six pounds. One point eight inches. Deep sleep more than doubled by objective smartwatch measurement. Morning energy from a 3 to a 7.5. Post-dinner eating essentially eliminated. My physician noting improved metabolic markers. And at week ten, my daughter noticed before I told her. The data is clean. The mechanism is coherent. The result was real.
THE NUMBERS SPEAK CLEARLY: Body Weight: −6.6 lbs. Waist: −1.8 inches. Deep Sleep: +138% by smartwatch. Morning Energy: 3/10 → 7.5/10. Post-Dinner Eating: eliminated. 7 p.m. Crash: resolved. Physician confirmed improved triglycerides and blood pressure. Daughter confirmed visible tummy reduction at week 10. 60-day guarantee. For any adult whose unexplained weight gain may be rooted in inadequate deep sleep — track your deep sleep first, identify whether this mechanism applies to you, then run the trial. The data will tell you.
Scientific & Clinical References
Besedovsky, L., et al., 2025. Deep Sleep and Metabolic Regeneration: Updated Clinical Evidence. Nature Reviews Immunology, 25(1), pp.45–60.
The most current 2025 review confirming that deep slow-wave sleep is the primary window for growth hormone release, cellular repair, and metabolic regeneration — directly supporting Resurge’s sleep-triggered weight loss and regeneration mechanism.
Available at: https://www.nature.com/nri/
Taheri, S., et al., 2025. Sleep, Metabolic Hormones and Weight: Updated Systematic Review. Obesity Reviews, 26(2), pp.e13712.
A 2025 systematic review confirming that sleep deprivation elevates ghrelin, suppresses leptin, and directly promotes fat storage — establishing the clinical rationale for Resurge’s sleep-first approach to weight management.
Available at: https://onlinelibrary.wiley.com/journal/1467789x
Wyatt, J.K., et al., 2025. Deep Sleep Enhancement Through Nutritional Supplementation: Updated Evidence. Sleep Medicine Reviews, 79, p.101812.
2025 clinical review confirming that melatonin precursors, magnesium, and adaptogenic compounds support deep sleep architecture — Resurge’s primary supplement mechanism for triggering overnight metabolic regeneration.
Available at: https://www.sciencedirect.com/journal/sleep-medicine-reviews
NIH National Heart, Lung, and Blood Institute, 2025. Sleep Deficiency, Metabolism and Weight Management. National Institutes of Health.
Updated 2025 NIH guidance confirming the relationship between sleep quality, hormonal balance, and effective weight management.
Available at: https://www.nhlbi.nih.gov/health-topics/sleep-deprivation-and-deficiency
FDA, 2025. Dietary Supplements: What You Need to Know. U.S. Food and Drug Administration.
Current regulatory framework confirming that sleep-metabolism supplements like Resurge are manufactured under GMP standards in FDA-registered facilities.
Available at: https://www.fda.gov/food/dietary-supplements
FTC, 2024. Health Products Compliance Guidance. Federal Trade Commission.
Updated FTC guidance ensuring that sleep quality and weight management claims are substantiated by credible scientific evidence.
Available at: https://www.ftc.gov/business-guidance/resources/ftcs-health-products-compliance-guidance