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Peptides for weight loss

GLP-1-class and metabolic compounds — the fastest-growing corner of peptide research. 15 compounds tracked in this category, ranked by community report volume — each with an evidence grade and links to the research.

COA-verified rankings 209 suppliers reviewed Rankings never sold — how we test
Muscle · 100 mcg

Follistatin 344 is a glycoprotein that blocks myostatin and activins from the TGF-β family. By switching off myostatin, the natural brake on…

Weight Loss · 0.3 mg

Cagrilintide mimics the pancreatic hormone amylin to promote satiety and slow gastric emptying, and is studied primarily for weight loss, of…

HCG A+
Libido · 250 IU

An LH-mimicking glycoprotein hormone that supports progesterone in pregnancy and is also used to keep the testes functioning during TRT, tre…

GLP-1 A+
Weight Loss · 0.25 mg

A gut incretin hormone that raises insulin in a glucose-dependent way, lowers glucagon, increases fullness, and slows digestion, forming the…

Weight Loss · 220 mg

Adiponectin is a fat-tissue hormone that regulates glucose, fat breakdown, and insulin sensitivity via AMPK activation, with anti-inflammato…

Weight Loss · 4.3 mg

Adipotide is a peptidomimetic that targets and kills the blood vessels supplying white fat, causing fat cells to die and be resorbed, which …

Weight Loss · 0.25 mg

AOD-9604 is a synthetic peptide based on amino acids 176-191 of growth hormone's C-terminal region with an added N-terminal tyrosine, also s…

Weight Loss · 50-150 mg orally daily

An oral NNMT-inhibitor research compound studied in animals for fat loss and metabolic health. No human trials exist, so all use is experime…

Chitosan A−
Weight Loss · 160 mg

A shellfish-derived biopolymer that binds fats, phosphorus, and bile acids in the digestive tract to limit their absorption, marketed for we…

Weight Loss · 200-500 mg IM/subQ, 1-3x/week

A ready-to-use levocarnitine solution used for fat metabolism and energy; an amino-acid compound, not a peptide.

MOTS-c C
Energy · 5-10 mg weekly

MOTS-c is a mitochondrial-derived peptide studied for metabolism, energy, and healthy aging. Most data are from animals, and human evidence …

Weight Loss · 15 mcg

Pramlintide is a synthetic amylin analog that slows gastric emptying, suppresses post-meal glucagon, and boosts satiety; it is FDA-approved …

Energy · No validated human dose (~250 mcg-1 mg/day reported)

A preclinical ERR-agonist exercise mimetic studied only in mice. No human data or validated dose exists, so any use is purely experimental.

Weight Loss · 2 mg daily

Tesamorelin is an FDA-approved peptide that stimulates natural growth hormone release to shrink deep belly (visceral) fat. It needs daily in…

Weight Loss · 2.5-15 mg weekly

A once-weekly dual GIP/GLP-1 receptor agonist that lowers blood sugar and drives substantial weight loss. It is the FDA-approved drug sold a…

Where researchers buy

The same top-ranked, COA-checked suppliers apply across categories:

★ Top 3 picksOur highest-rated, most transparent labs — compared side by side
#1
Serum Research
Featured partnerAffiliated · disclosure
#2
BioChain USA
#3
Nootropics Depot
Score9.6/109.5/109.5/10
COA✓ Yes✓ Yes✓ Yes
CountryUSAUSAUSA
Why we rate itFull per-batch COAs on every product and competitive pricing, from our affiliated partner — labeled as such wherever it appears.Published per-batch COAs, third-party testing, and a risk-free guarantee from a US-only shipper.Operates at a global scale with a high degree of transparency, and earns praise for its customer support and logistics.
Check prices at Serum Research →Read review →Check prices at BioChain USA →Read review →Check prices at Nootropics Depot →Read review →

Educational information only — not medical advice and not an endorsement to use any compound. Evidence grades summarize published research; most compounds here are unapproved research chemicals sold for laboratory use and labelled "not for human consumption."