---
title: "humanpeptides.fyi: the body, annotated"
url: https://humanpeptides.fyi/
site: humanpeptides.fyi
last_reviewed: 2026-10-11
---


# The body, annotated.

An adult educational index of what has been studied, published and reported about 48 peptides and related compounds. It makes no claims of its own: every statement is attributed and linked to its source.

## Browse by goal

- [Muscle & Tone](https://humanpeptides.fyi/objectives/muscle): Lean mass, strength and the shape it gives you. (12 peptides)
- [Fat Loss & Metabolism](https://humanpeptides.fyi/objectives/fat-loss): Appetite, belly fat, blood sugar and the scale. (20 peptides)
- [Skin & Glow](https://humanpeptides.fyi/objectives/skin): Collagen, lines, tone and colour. (9 peptides)
- [Hair](https://humanpeptides.fyi/objectives/hair): Follicles, shedding and regrowth. (4 peptides)
- [Healing & Recovery](https://humanpeptides.fyi/objectives/healing): Tendons, joints, wounds and the bounce-back. (12 peptides)
- [Sleep](https://humanpeptides.fyi/objectives/sleep): Falling asleep, staying asleep, deep sleep. (9 peptides)
- [Focus & Cognition](https://humanpeptides.fyi/objectives/mind): Memory, clarity and brain protection. (7 peptides)
- [Calm & Mood](https://humanpeptides.fyi/objectives/mood): Anxiety, stress and emotional steadiness. (6 peptides)
- [Longevity & Cellular Aging](https://humanpeptides.fyi/objectives/longevity): Telomeres, senescent cells and lifespan research. (7 peptides)
- [Energy & Endurance](https://humanpeptides.fyi/objectives/energy): Mitochondria, stamina and fatigue. (8 peptides)
- [Immunity](https://humanpeptides.fyi/objectives/immunity): T-cells, vaccine response and inflammation. (4 peptides)
- [Gut & Digestion](https://humanpeptides.fyi/objectives/gut): Lining, motility and inflammation in the gut. (4 peptides)
- [Libido & Sexual Health](https://humanpeptides.fyi/objectives/libido): Desire, arousal and erectile function. (5 peptides)
- [Hormones & Fertility](https://humanpeptides.fyi/objectives/hormones): Growth hormone, testosterone and fertility signalling. (10 peptides)
- [Heart, Liver & Kidney](https://humanpeptides.fyi/objectives/organs): Organ protection and metabolic disease. (14 peptides)
- [Nerves & Pain](https://humanpeptides.fyi/objectives/nerves): Neuropathy, nerve repair and pain signalling. (3 peptides)

## Every peptide, by family

### Repair & Recovery

- [BPC-157](https://humanpeptides.fyi/peptides/bpc-157): Preclinical. Tendon and bone repair, mostly animal; Knee pain relief, small uncontrolled study; Gut lining protection, unproven
- [TB-500](https://humanpeptides.fyi/peptides/tb-500): Preclinical. Wound healing, mostly preclinical; Cardiac repair, preclinical; Injury recovery, anecdotal
- [BPC-157 + TB-500](https://humanpeptides.fyi/peptides/bpc-157-tb-500): Unstudied. Injury recovery, untested blend; Blood supply to tendons, preclinical; Faster return from injury, anecdotal
- [ARA-290](https://humanpeptides.fyi/peptides/ara-290): Early human. Small-fiber neuropathy; Less neuropathic pain; Numbness and tingling, anecdotal

### Weight & Metabolic

- [AOD9604](https://humanpeptides.fyi/peptides/aod9604): Trial-backed. Fat loss, failed in trials; Cartilage repair, animal; Well tolerated in trials
- [Cagrilintide](https://humanpeptides.fyi/peptides/cagrilintide): Trial-backed. Weight loss; Bigger results with semaglutide; Quieter food noise
- [5-Amino-1MQ](https://humanpeptides.fyi/peptides/5-amino-1mq): Preclinical. Fat loss, mice; Aged muscle regeneration, mice; Metabolic health, mice
- [Semaglutide](https://humanpeptides.fyi/peptides/semaglutide): Approved (specific use). About 15% weight loss; Fewer heart attacks and strokes; Kidney and liver protection
- [Retatrutide](https://humanpeptides.fyi/peptides/retatrutide): Trial-backed. Large weight loss; Blood sugar control; Less liver fat
- [Tirzepatide](https://humanpeptides.fyi/peptides/tirzepatide): Approved (specific use). Major weight loss; Blood sugar and heart risk; Less sleep apnea

### Growth Hormone Axis

- [CJC-1295 with DAC](https://humanpeptides.fyi/peptides/cjc-1295-dac): Early human. Days-long GH and IGF-1 rise; Visceral fat, trial halted; Sleep, muscle and fat, unproven claims
- [CJC-1295 without DAC](https://humanpeptides.fyi/peptides/cjc-1295-no-dac): Preclinical. Natural-pattern GH pulses, theoretical; Deeper sleep, anecdotal; Body composition, anecdotal
- [Ipamorelin](https://humanpeptides.fyi/peptides/ipamorelin): Preclinical. Selective GH release, animal; Gut motility, negative trial; Sleep and body composition, anecdotal
- [CJC-1295 + Ipamorelin](https://humanpeptides.fyi/peptides/cjc-1295-ipamorelin): Unstudied. Amplified GH pulses, theoretical; Better sleep, anecdotal; Body recomposition, anecdotal
- [IGF-1 LR3](https://humanpeptides.fyi/peptides/igf-1-lr3): Preclinical. Muscle growth, no human data; Growth in catabolic rats; Native IGF-1 is an approved drug
- [HGH (Somatropin)](https://humanpeptides.fyi/peptides/hgh): Approved (specific use). Leaner body composition; Treats growth failure in children; Less visceral fat, better lipids
- [Tesamorelin](https://humanpeptides.fyi/peptides/tesamorelin): Approved (specific use). Less deep belly fat; Less liver fat in HIV; Cognition in older adults, one trial
- [Sermorelin](https://humanpeptides.fyi/peptides/sermorelin): Early human. Natural-rhythm GH and IGF-1; Lean mass gain, small study; Deeper sleep, anecdotal
- [Tesamorelin + Ipamorelin](https://humanpeptides.fyi/peptides/tesamorelin-ipamorelin): Unstudied. Synergistic GH release, theoretical; Belly fat, via tesamorelin; Deeper sleep, anecdotal

### Skin, Hair & Tan

- [AHK-Cu](https://humanpeptides.fyi/peptides/ahk-cu): Preclinical. Hair growth; Follicle survival; Skin support, extrapolated
- [GHK-Cu](https://humanpeptides.fyi/peptides/ghk-cu): Early human. Firmer skin, small cosmetic studies; Wound healing, mostly animal; Gene modulation, lab data
- [GLOW](https://humanpeptides.fyi/peptides/glow): Unstudied. Skin and collagen, untested blend; Tissue healing, animal and anecdotal; Hair and inflammation, preclinical
- [KLOW](https://humanpeptides.fyi/peptides/klow): Unstudied. Skin and tissue repair, untested blend; Gut inflammation, animal; Fewer copper skin reactions, anecdotal
- [Melanotan II](https://humanpeptides.fyi/peptides/melanotan-ii): Early human. Tanning without UV, small trials; Erections in psychogenic ED; Appetite suppression, animal
- [Snap-8](https://humanpeptides.fyi/peptides/snap-8): Early human. Softer expression lines; Finer lines in multi-peptide serums; Wrinkle claims, manufacturer only

### Mind & Mood

- [DSIP](https://humanpeptides.fyi/peptides/dsip): Early human. Sleep, small mixed trials; Withdrawal relief, old uncontrolled study; Stress-axis calming, early data
- [Adamax](https://humanpeptides.fyi/peptides/adamax): Unstudied. Focus and clarity, marketing claim; BDNF claim, supplier only; Longer-acting by design, unproven
- [Selank](https://humanpeptides.fyi/peptides/selank): Early human. Less anxiety, small open studies; Less fatigue, small studies; Immune modulation, small study
- [Semax](https://humanpeptides.fyi/peptides/semax): Early human. Stroke recovery, unblinded studies; BDNF boost, rats; Nootropic focus
- [Semax + Selank](https://humanpeptides.fyi/peptides/semax-selank): Unstudied. Focus and calm, anecdotal; See Semax; See Selank

### Longevity & Mitochondria

- [Epithalon](https://humanpeptides.fyi/peptides/epithalon): Early human. Telomere lengthening, lab; Lower mortality, small Russian trials; Melatonin rhythm, extract data
- [FOXO4-DRI](https://humanpeptides.fyi/peptides/foxo4-dri): Preclinical. Clears senescent cells, mice; Chemo toxicity protection, mice; Kidney function, mice
- [Glutathione](https://humanpeptides.fyi/peptides/glutathione): Trial-backed. Raises body glutathione; Skin lightening, mixed trials; Fatty liver, small pilot
- [MOTS-c](https://humanpeptides.fyi/peptides/mots-c): Preclinical. Insulin sensitivity, animal; Exercise capacity, animal; Endurance, anecdotal
- [NAD+](https://humanpeptides.fyi/peptides/nad-plus): Early human. Raises NAD+ levels; Mitochondria and sirtuins, lab data; Energy and focus, anecdotal
- [SS-31](https://humanpeptides.fyi/peptides/ss-31): Approved (specific use). Mitochondrial function, animal; Muscle strength in Barth syndrome; Exercise tolerance, animal and anecdotal

### Immune & Gut

- [VIP](https://humanpeptides.fyi/peptides/vip): Early human. Immune balance, small studies; Erectile function, approved abroad; Mold-related illness, small studies
- [Thymosin Alpha-1](https://humanpeptides.fyi/peptides/thymosin-alpha-1): Trial-backed. Chronic hepatitis B; Stronger vaccine response; Sepsis, mixed results
- [KPV](https://humanpeptides.fyi/peptides/kpv): Preclinical. Gut inflammation, animal; Mucosal healing, mice; Skin inflammation, marketing claim
- [Thymalin](https://humanpeptides.fyi/peptides/thymalin): Early human. Immune restoration, small trial; Longevity claim; Stem cell activation, lab

### Sexual Health & Hormones

- [HCG](https://humanpeptides.fyi/peptides/hcg): Approved (specific use). Keeps testicular function on TRT; Treats male hypogonadism; Size, libido and mood, anecdotal
- [PT-141](https://humanpeptides.fyi/peptides/pt-141): Approved (specific use). Desire in women, FDA-approved; Erectile function in men; Arousal boost, anecdotal
- [Kisspeptin](https://humanpeptides.fyi/peptides/kisspeptin): Early human. LH and testosterone rise; Desire and arousal; Safer IVF trigger

### Lipotropics & Nutrients

- [Lipo-C](https://humanpeptides.fyi/peptides/lipo-c): Unstudied. Fat burning, unproven; Liver fat handling, nutrient data only; Energy from B12, unproven
- [L-carnitine](https://humanpeptides.fyi/peptides/l-carnitine): Approved (specific use). Modest weight loss; Exercise recovery; Treats carnitine deficiency
- [Lemon Bottle](https://humanpeptides.fyi/peptides/lemon-bottle): Unstudied. Spot fat reduction, unproven
- [Vitamin B12](https://humanpeptides.fyi/peptides/vitamin-b12): Approved (specific use). Treats B12 deficiency; Protects nerves in deficiency; Clearer thinking when deficient
- [MIC](https://humanpeptides.fyi/peptides/mic): Unstudied. Fat metabolism, unproven; Liver fat export, choline data; Insulin sensitivity, inositol data

## Evidence labels

- **Approved (specific use):** Approved by the FDA (or a major regulator) for at least one specific use. Approval covers that use only, not the other benefits listed.
- **Trial-backed:** Larger randomized human trials exist, positive or negative, but no US approval for the uses discussed.
- **Early human:** Small, short, old, unblinded or single-group human studies.
- **Preclinical:** Mostly cell and animal studies. Human effects unknown.
- **Unstudied:** No direct studies of this product or blend. Anecdote and component data only.

## Questions about this site

### What is humanpeptides.fyi?

An adult educational index of what has been studied, published and reported about 48 peptides and related compounds, searchable by name, brand, street name or goal.

### Does humanpeptides.fyi make any health claims?

No. It makes no claims of its own. Every benefit, side effect, nickname and quote is attributed to and linked to the source that published or posted it.

### Does the site sell peptides?

No. The site sells nothing and has no checkout, accounts or prices. Seller pages are cited only where a claim or a name first appeared, and are labelled as sellers.

### How is the strength of evidence shown?

Every entry carries one of five labels: Approved (specific use), Trial-backed, Early human, Preclinical or Unstudied, so a mouse study never reads like an approved drug.

### Is anything here medical advice?

No. Nothing on the site is medical advice or dosing guidance. Talk to a licensed clinician before making any health decision; in an emergency call 911.