HGH

Other · 33 findings · Evidence: human-obs expert-opinion anecdotal clinician_report research_review product-info

human-obs human-obs (1)

Long-Term GH Therapy Safety: 6,000 Patients Over 15+ Years
Ericson (2010) examined cancer risk in GH-deficient adults treated with recombinant human growth hormone. The study followed 6,000+ patients over 15+ years with profoundly elevated GH and IGF-1 levels (higher than any peptide would produce). Result: zero increased cancer incidence, actually slightly lower than age-matched controls. Additionally, a 2018 Stockholm study published in JAMA followed GH-deficient patients in Denmark and Sweden for 30+ years and found slightly lower cancer risk in treated patients.
Source — youtube

expert-opinion expert-opinion (21)

HGH Production and Export Delays Due to Chain of Custody Problems in China
Significant delays in Human Growth Hormone (HGH) production and export from China were attributed to chain of custody problems with the Active Pharmaceutical Ingredients (APIs) used in manufacturing. This was cited as a real-world example of how supply chain integrity failures affect peptide/hormone availability. No specific dosage or protocol information was discussed.
Source — youtube
How GH mobilizes (not burns) visceral fat via receptor-density targeting
Bachmeyer clarifies GH does not directly burn fat, it mobilizes it, and preferentially hits visceral fat because visceral adipocytes carry higher GH-receptor density than subcutaneous fat. Mechanistically GH activates JAK2/STAT5 to raise hormone-sensitive lipase and adipose triglyceride lipase while lowering lipoprotein lipase, a dual switch that turns on fat release and off fat storage. He also stresses Tesamorelin is a GHRH analog (a 'reservation' that tells the pituitary to make GH pulsatilely), not GH replacement, so it wakes the somatotrophs rather than shutting them down like exogenous HGH.
Source — youtube
HGH fragment 176-191 / AOD9604 is not superior to full HGH for fat loss
Josh treats HGH fragment 176-191 and AOD9604 as essentially the same molecule, the isolated lipolytic portion of the HGH sequence. Because it is derived from HGH, at best it can only match HGH's fat-loss effect while losing all the other benefits (collagen, recovery, tissue repair); he adds that AOD9604 phase-2 trials had placebo outperform the drug, so he calls it likely ineffective and recommends just running 1-2 IU/day of real GH, even for women over 40.
Source — youtube
HGH does not shut down natural production the way testosterone does
Josh explains that injecting GH does raise somatostatin and suppress GH output while dosing, but unlike the testes on TRT, the pituitary does not atrophy. Citing childhood GH-deficiency studies, he says the pituitary resumes responding to GHRH within 18-24 hours of the last GH injection regardless of how long it was used, so natural production restarts in under a day after stopping. This is his key reason exogenous HGH can be run long-term without permanent shutdown.
Source — youtube
HGH and insulin resistance is dose-dependent, not a fixed side effect
Josh argues HGH short-term worsens insulin sensitivity because it signals the liver to dump glucose and release fatty acids (part of IGF-1 conversion), but long-term at therapeutic 2-4 IU/day it reduces visceral fat and builds muscle (the body's biggest glucose sink), improving metabolic health. He blames the 'GH causes insulin resistance' reputation on bodybuilders using 10-20+ IU/day, which is exactly why they must add exogenous insulin, and calls the concern largely a myth at therapeutic doses with good diet, sleep and optimized testosterone.
Source — youtube
Managing GH-driven water retention on Tesamorelin via sodium cycling and DIM
Bachmeyer explains Tesamorelin water retention as real kidney physiology: GH upregulates aquaporin-2 channels and activates the renin-angiotensin-aldosterone system, driving sodium and water reabsorption, and drinking more water worsens it via ADH. His protocol is to deplete sodium below 500 mg/day for 3 days (maintaining ~5 g potassium to avoid dangerous hypokalemia), then reintroduce sodium at ~3 g to reset the osmotic set point, plus berberine and MOTS-c for insulin/SGLT2-driven retention and DIM 300 mg nightly to blunt estrogen-driven aquaporin-2 expression.
Source — youtube
HGH injection timing: night for fat loss, carbs/insulin convert GH into IGF-1
Josh describes GH as a paradox: HGH drives lipolysis only when insulin is low, so pre-bed fasted dosing maximizes overnight fat burning, then eating carbs in the morning raises insulin and triggers conversion of circulating GH into IGF-1 for repair and muscle building. Taking GH post-workout with a meal within 30-60 minutes shifts the benefit toward the anabolic/IGF-1 side; for targeted anabolism he prefers keeping GH at night and adding IGF-1 DES pre-workout rather than IGF-1 LR3.
Source — youtube
More GH does not linearly raise IGF-1 without calories, insulin, estrogen and training
Explaining a case where raising HGH from 2.4 to 4 IU did not raise IGF-1 (186 to 265 then plateauing at 250), Josh says the GH-to-IGF-1 conversion in the liver depends on caloric intake, healthy estradiol (~40-60 on gear), and hard training intensity more than on GH dose. Crashing E2 with an aromatase inhibitor or under-eating blocks the conversion, so extra GH is wasted. This mirrors the 'IGF-1 caps around 570 ng/mL regardless of GH dose' point attributed to Todd Lee.
Source — youtube
Opposing view: secretagogues are inferior to direct HGH except for respecting biology
Josh (Anvil/Apex) takes the opposite stance to Bachmeyer, calling HGH the 'king of peptides' and his ideal protocol 2-4 IU/day at night fasted plus ~250 mg/week testosterone. He argues secretagogues like Tesamorelin and CJC are limited by the pituitary's ceiling and by somatostatin feedback, whereas injecting GH bypasses the pituitary and lets the liver make unlimited IGF-1. Since price is comparable and (he claims) therapeutic HGH doesn't shut down natural production, he sees no upside to secretagogues except preserving natural rhythm, especially after age 50-60 when the pituitary stops responding to GHRH.
Source — youtube
Triple secretagogue stack as the pro-longevity alternative to injecting HGH
Rather than exogenous HGH, Bachmeyer stacks Tesamorelin (GHRH analog, ~76% GH increase, visceral-fat targeting), CJC-1295 no-DAC (short half-life for physiological pulsing), and Ipamorelin (ghrelin mimetic that inhibits the somatostatin 'off switch'), claiming the three receptors act multiplicatively to mimic a 20-year-old's nighttime GH pulse while biology still controls release. He stresses dosing once nightly on an empty stomach, 5 days on / 2 off, 12 weeks on / 4 weeks off, warning that continuous use desensitizes pituitary GPCRs (receptor internalization) and 'burns out' the pituitary within ~16 weeks.
Source — youtube
Bachmeyer: 'GH causes cancer' is a myth; low GH raises cancer risk
Bachmeyer calls the GH-causes-cancer claim false, reasoning that growth and cancer are not the same, GH has a ~20-minute half-life and does not bind cancer-cell receptors (IGF-1 does), and restoring GH only to youthful physiological levels carries no more risk than a healthy 25-year-old. He claims GH-replacement patients have lower cancer risk than untreated GH-deficient patients (cites a ~34% risk reduction) because adequate GH improves immune surveillance.
Source — youtube
Exogenous HGH suppresses your own GH production and adds new side effects
Bachmeyer argues injecting HGH triggers negative feedback: the hypothalamus cuts GHRH, the pituitary becomes less responsive, and somatostatin rises, claiming exogenous HGH suppresses endogenous GH secretion by ~89% in 4 weeks and that recovery of natural pulsatility takes 3-6 months. He says it also causes insulin resistance, carpal tunnel (~34% of long-term users), and gynecomastia, so he only endorses exogenous HGH for a true pituitary problem, not for optimization.
Source — youtube
Low growth hormone as the systemic driver of aging and disease
Dr. Trevor Bachmeyer frames GH as the master key to every repair system, arguing low GH is not cosmetic but a disease predictor that degrades fat oxidation, muscle protein synthesis (via IGF-1/mTOR), bone density (osteoblasts), cardiac contractility, thymic/T-cell immune function, and BDNF-driven neuroplasticity. He cites (uncorroborated) figures such as 3.5x impaired lipolysis and 68% reduced fat oxidation in GH-deficient people, and a claimed cohort where the lowest IGF-1 tertile had ~3x cardiovascular mortality and 3.5x cancer incidence.
Source — youtube
Optimal Stack Recommendation: IGF-1 DES + HGH as the Preferred Combined Protocol
The speaker's concluding recommendation is to combine IGF-1 DES with HGH as the optimal stacking strategy, allowing users to benefit from both exogenous IGF-1 activity (via DES) and the full systemic benefits of HGH (recovery, sleep, fat loss, endogenous IGF-1 production). This combination is presented as superior to using IGF-1 LR3 with HGH. The recommendation is based on the speaker's applied pharmacokinetic reasoning and coaching experience.
Source — youtube
IGF-1 DES Recommended as the Preferred IGF-1 Variant When Stacking With HGH
The speaker recommends IGF-1 DES (des(1-3)IGF-1) as the appropriate IGF-1 variant to use alongside HGH, specifically because its short half-life prevents receptor desensitization. This is presented as the correct stacking strategy when additional IGF-1 activity beyond endogenous production is desired. The recommendation is based on pharmacokinetic reasoning rather than cited clinical data.
Source — youtube
Contraindication: Stacking IGF-1 LR3 With HGH Is Discouraged
The speaker explicitly advises against stacking IGF-1 LR3 with HGH, arguing that the combination is counterproductive because IGF-1 LR3 causes receptor desensitization while HGH already maximizes endogenous IGF-1 production. The core argument is that IGF-1 LR3 adds receptor downregulation risk without meaningful additive benefit when HGH is already in use. This is presented as a practical clinical/coaching recommendation.
Source — youtube
HGH Provides Benefits Beyond IGF-1 Production: Recovery, Sleep Quality, and Fat Loss
The speaker highlights that exogenous HGH offers systemic benefits independent of its IGF-1-stimulating effects, specifically citing improved recovery, enhanced sleep quality, and fat loss. These pleiotropic effects are used to further justify choosing HGH over direct IGF-1 LR3 injection. No dosage or duration is specified in relation to these benefits.
Source — youtube
Three Co-Factors Required to Maximize HGH-Driven IGF-1 Production
The speaker identifies three conditions necessary to optimize hepatic IGF-1 output in response to exogenous HGH: appropriate estrogen (E2) levels, sufficient caloric intake, and an adequate training stimulus. These are framed as modulators of the GH-IGF-1 axis rather than optional considerations. No specific E2 target range or caloric threshold is provided.
Source — youtube
Exogenous HGH Drives Hepatic IGF-1 Production Without an Apparent Upper Ceiling
The speaker asserts that the liver will continue to produce IGF-1 in response to exogenous HGH without a fixed upper limit, provided that estrogen (E2) levels are adequate, caloric intake is sufficient, and a proper training stimulus is present. This is presented as a rationale for preferring HGH over direct IGF-1 supplementation. The claim implies a dose-dependent hepatic IGF-1 response to HGH.
Source — youtube
HGH Does Not Cause Desensitization of Hepatic Growth Hormone Receptors
The speaker claims that injecting exogenous growth hormone does not cause desensitization of growth hormone receptors in the liver, in contrast to IGF-1 LR3's effect on IGF-1 receptors. This distinction is used to argue in favor of relying on HGH to drive endogenous IGF-1 production rather than injecting IGF-1 LR3 directly. No citation or study is referenced to support this claim.
Source — youtube
HGH (Exogenous) Causes Pituitary Damage — Not Recommended
Dr. Bachmeyer strongly advises against exogenous HGH for 99.9% of people, stating it is 'riddled with side effects' and 'causes catastrophic problems with your pituitary.' He distinguishes HGH from GH analogs (CJC-1295, Tesamorelin, Ipamorelin), recommending the analogs instead unless HGH is medically necessary.
Source — youtube

anecdotal anecdotal (1)

HGH Dosing Protocol: 20 IU Per Day Referenced as a Bodybuilding-Level Dose
The speaker references 20 IU of growth hormone per day as a dose that is 'not unheard of in the bodybuilding world,' using it as an illustrative example of high-dose HGH use. This is presented descriptively rather than as a personal recommendation, and no safety context or monitoring protocol is provided for this dose. This dose is far above any clinically approved therapeutic range.
Source — youtube

research_review research_review (8)

Tesamorelin shares CJC's mechanism at 2-3x the cost, with FDA visceral-fat data
The creator argues Tesamorelin works through the exact same GHRH-analog pathway as CJC-1295 no-DAC, but costs 2-3x more; its differentiator is FDA approval and CT-scan data specifically measuring visceral fat reduction. His advice is to start with cheaper CJC+Ipamorelin and only switch to Tesamorelin if CJC does not work well, since the visceral-fat benefit ultimately comes from the GH being released, not from Tesamorelin being special.
Source — youtube
Why not just inject IGF-1: endocrine vs local IGF-1 and the somatostatin trap
The creator explains there are two IGF-1 systems: endocrine (liver-made, ~75% of blood IGF-1, what shows on labs) and local tissue IGF-1 that GH triggers directly in muscle, bone and connective tissue. Citing a 1994 Gospal Peter study, GH raised local muscle IGF-1 signaling ~20-fold versus only ~2.5-fold from injected IGF-1 (about 8x more local IGF-1 from GH), and liver-IGF-1-knockout mice still grew normally. Injecting IGF-1 backfires two ways: it suppresses GH secretion ~85% (Berman, J Clin Invest) via somatostatin, killing local production, and drives receptor desensitization; IGF-1 LR3 makes this worse with a 20-30h half-life that bypasses IGF binding-protein regulation. Conclusion: support GH secretagogues rather than inject IGF-1.
Source — youtube
GH safety and required monitoring scale directly with dose
The creator lays out a dose-tiered risk profile: at 1-2 IU the largest safety database (15,000+ adults, mean 5.3 years) showed cancer rates comparable to the general population and treatment-related diabetes in only 0.4%; at 2-4 IU water retention affects 30-40% with joint pain, carpal tunnel and more relevant insulin resistance; above 4 IU risk scales to organ growth, frank diabetes and acromegaly-like changes (acromegaly data show 20-35% diabetes, 2.4x colon polyps). Recommended bloodwork is IGF-1 (primary marker), fasting glucose/HbA1c, and free T3/TSH, reducing dose if IGF-1 exceeds the age-adjusted limit or fasting glucose trends above 100.
Source — youtube
Longevity GH use targets a mid-range IGF-1, not maximization
The creator frames longevity GH use as restoration, citing a 19-study meta-analysis (30,000+ participants) showing a U-shaped IGF-1/mortality curve with lowest death risk around IGF-1 120-160 ng/mL, so both very low and very high IGF-1 raise risk. He points to the 2019 TRIM trial (9 men, GH+DHEA+metformin) showing thymus regeneration and ~2.5-year epigenetic age reversal, while cautioning it was uncontrolled combination therapy. He also raises the Laron-syndrome paradox: no-GH-signaling individuals get almost no cancer/diabetes but do not live long, whereas adult-onset GH deficiency doubles cardiovascular mortality if untreated.
Source — youtube
GH secretion declines ~14% per decade, tied to loss of slow-wave sleep
The creator describes GH as a 191-amino-acid protein released in pulses (biggest during early deep sleep), noting secretion falls ~14% per decade after puberty and ~35% of otherwise healthy men over 60 meet criteria for biochemical GH deficiency (somatopause). He cites a JAMA study tying this decline directly to slow-wave sleep loss (deep sleep down ~82% from young adulthood to midlife), arguing GH optimization starts with sleep quality, not a syringe, and that pulsatile GH drives lipolysis while continuous elevation does almost nothing.
Source — youtube
GH builds the scaffolding, not the muscle: lean mass gains are water and connective tissue
Citing a Journal of Physiology 14-day study (collagen synthesis up to 6-fold, myofibrillar/contractile protein synthesis unchanged) and an 18-study Annals of Internal Medicine meta-analysis (GH raised lean body mass but improved strength in zero studies), the creator argues GH's lean-mass gains are water retention and connective tissue, not contractile muscle. GH's real value is fat mobilization, recovery and connective-tissue repair; meaningful muscle only comes when combined with androgens, because GH and testosterone upregulate each other's receptor density.
Source — youtube
GH axis recovers in 48-60 hours, unlike the 51-week testosterone shutdown
The same creator contrasts GH suppression with HPG-axis shutdown from testosterone. GH-axis recovery takes ~48-60 hours, not ~51 weeks, for four reasons: somatostatin receptors resensitize quickly, pituitary somatotrophs go quiet without atrophying, the liver's GH-to-IGF-1 conversion stays intact, and the suppression is functional not structural (no cell shrinkage). This is why cycling secretagogues works and why even single-daily HGH does not cause permanent suppression, since the pituitary resumes pulsing hours after the injection clears.
Source — youtube
Four levels of the GH axis and why you should not stack across them
A study-citing creator maps four intervention levels: (1) GHRH analogs (CJC-1295, Tesamorelin, Sermorelin) that raise production but are capped by the pituitary ceiling; (2) ghrelin agonists (Ipamorelin) that trigger release and suppress somatostatin; (3) direct HGH, which bypasses the ceiling entirely (half-life ~2-3h, clears in 10-16h); and (4) direct IGF-1. He recommends CJC+Ipamorelin for most people, reserving direct HGH for when testosterone is optimized and output beyond the pituitary ceiling is needed, and warns not to run secretagogues with HGH because exogenous GH suppresses pituitary GHRH response by 86-94% (Rosenthal 1986), so you pay for two levels and get one.
Source — youtube

product-info product-info (1)

China regulatory overhaul and US customs seizures are cutting the HGH supply
An importer-creator reports three forces squeezing US GH supply in 2026: aggressive US customs enforcement (351 air-cargo shipments seized in Chicago in March, including 455 lbs of GH worth ~$3M, plus a Cincinnati operation catching 300+ cartons); freight forwarders FedEx and USPS refusing to carry shipments listing growth hormone; and, effective May 15, China's first major overhaul of its drug-administration law since 2002, imposing full-lifecycle manufacturer accountability and supply-chain traceability that is pushing gray-market Chinese manufacturers to drop GH-related products from their lists.
Source — youtube

clinician_report clinician_report (1)

HGH increases T4-to-T3 conversion and can unmask a thyroid dose need
Josh notes GH does much of its work in the liver, where it increases peripheral conversion of T4 to the active T3. In someone on levothyroxine (synthetic T4) for Hashimoto's/hypothyroidism, adding GH can deplete T4 on the back end, often requiring an extra 25-50 mcg of levothyroxine. He frames the increased T3 as desirable for fat loss and not a reason to avoid GH, just something to monitor.
Source — youtube

References

  1. Why You Shouldn't Stack IGF-1 LR3 With HGH — Josh Holyfield (Jul 2026) 8 findings
  2. I Only Take 2 Peptides — Here's Why | Weekly Q&A — Josh Holyfield (Jul 2026) 4 findings
  3. Raising Growth Hormone - Dr Trevor Bachmeyer — Dr Trevor Bachmeyer (Apr 2026) 4 findings
  4. What Is Growth Hormone? How It Works + What To Expect — Josh Holyfield (Jun 2026) 4 findings
  5. More GH Doesn't Mean More IGF-1 — Here's Why | Weekly Q&A — Josh Holyfield (Jul 2026) 3 findings
  6. HGH vs CJC/Ipamorelin vs IGF-1 Explained: How To Pick the Right One — Josh Holyfield (May 2026) 3 findings
  7. Tesamorelin, CJC and Ipamorelin and CANCER - Dr Trevor Bachmeyer — Dr Trevor Bachmeyer (Mar 2026) 2 findings
  8. The Real Reason Tesamorelin Destroys Visceral Fat - Dr Trevor Bachmeyer — Dr Trevor Bachmeyer 2 findings
  9. Why Your Peptide COA Might Not Mean What You Think — Josh Holyfield (Jul 2026) 1 finding
  10. Meathead Explains IGF-1 Better Than Most Doctors — Josh Holyfield (Jun 2026) 1 finding
  11. China Just Shut Down the Growth Hormone Supply | Weekly Q&A #3 — Josh Holyfield (Jun 2026) 1 finding

Evidence Tier Key