PepTalk
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Compound Library

Learn how each compound works, what the side effects are, and how to dose safely. All 32 compounds are free to explore.

New to peptides?

Start with the basics — what peptides are, how they work, and the safest options for beginners.

Calculate a dose

Know your compound? Jump straight to the calculator for precise reconstitution math.

Weight loss options

Explore Semaglutide, AOD-9604, and other compounds focused on fat metabolism.

Safety first

Every compound page includes side effects, contraindications, and safety warnings — all free.

PeptideRepair & Recovery

BPC-157

Body Protective Compound

Supports healing of gut tissue, tendons, and soft-tissue injuries

200–300 mcg·4h half-life
SubQIMoral
PeptideRepair & Recovery

TB-500

Thymosin Beta-4

Recruits repair cells to injury sites and reduces scar tissue

2–2.5 mg·6h half-life
SubQIM
PeptideRepair & Recovery

GHK-Cu

Copper Peptide

Supports collagen production, skin repair, and hair growth

200–500 mcg·2h half-life
SubQtopical
PeptideRepair & Recovery

KPV

The Anti-Inflam Peptide

Turns off inflammation — especially great for gut issues

200–500 mcg·3h half-life
oralSubQtopical
PeptideGH Secretagogues

Ipamorelin

Ipam

Boosts your growth hormone naturally — no hunger, no stress hormones

100–200 mcg·2h half-life
SubQ
PeptideGH Secretagogues

CJC-1295

CJC

Keeps your growth hormone elevated longer throughout the day

100–100 mcg·8h half-life
SubQ
PeptideWeight Loss

Tesamorelin

Tesa

FDA-approved for reducing visceral (belly) fat

1–1 mg·0.5h half-life
SubQ
PeptideGH Secretagogues

Sermorelin

Sermo

The safest, gentlest way to boost growth hormone — great for anti-aging

100–200 mcg·0.5h half-life
SubQ
PeptideWeight Loss

AOD-9604

Fat Loss Fragment

Fat-burning fragment of growth hormone, no blood sugar effects

250–300 mcg·1h half-life
SubQoral
PeptideNeuroactive

Semax

The Brain Peptide

Grows new brain connections and sharpens focus — no jitters

200–400 mcg·0.5h half-life
nasal
PeptideNeuroactive

Selank

The Anti-Anxiety Peptide

Melts anxiety without making you sleepy — calm and focused

200–400 mcg·0.3h half-life
nasal
PeptideNeuroactive

Dihexa

N-hexanoic-Tyr-Ile-(6) aminohexanoic amide

Experimental cognitive compound that promotes new neural connections

10–20 mg·12h half-life
oralSubQtopical
PeptideNeuroactive

Pinealon

The Pineal Peptide

Resets your body clock for better sleep and mental clarity

10–20 mg·2h half-life
oralSubQ
PeptideWeight Loss

MOTS-c

Exercise Mimetic

Mimics the metabolic effects of exercise at the cellular level

5–5 mg·12h half-life
SubQ
PeptideMitochondrial

SS-31

Mito Peptide

Repairs your cells' power plants so they run clean and efficient

10–20 mg·4h half-life
SubQ
PeptideHormonal & Niche

Kisspeptin

The Puberty Peptide

Kickstarts your body's own testosterone and fertility naturally

50–100 mcg·0.5h half-life
SubQ
PeptideHormonal & Niche

PT-141

Bremelanotide / Vyleesi

Boosts desire by working on your brain — not just blood flow

500–1000 mcg·4h half-life
SubQnasal
PeptideHormonal & Niche

Melanotan II

MT-II

Get a deeper tan with less sun exposure

100–250 mcg·1h half-life
SubQ
PeptideWeight Loss

Semaglutide

Ozempic / Wegovy

GLP-1 injection for weight loss and blood sugar control

250–250 mcg·7d half-life
SubQoral
PeptideHormonal & Niche

IGF-1 LR3

Long-Arg3 IGF-1

Long-acting form of IGF-1 that stimulates new muscle cell growth

20–40 mcg·1d half-life
SubQIM
NootropicNootropics

Caffeine

The most popular brain booster on Earth — your morning cup of focus

50–100 mg
oral
NootropicNootropics

L-Theanine

Calm focus without drowsiness — the zen ingredient in green tea

100–200 mg
oral
NootropicNootropics

Bacopa Monnieri

An ancient herb that actually improves your memory — backed by real science

150–300 mg
oral
NootropicNootropics

Lion's Mane Mushroom

A mushroom that helps grow new brain cells — nature's brain fog cure

500–1000 mg
oral
NootropicNootropics

Ashwagandha

Your body's natural stress shield — lowers cortisol, boosts calm energy

300–300 mg
oral
NootropicNootropics

Citicoline (CDP-Choline)

Premium fuel for your brain — feeds the chemicals that power thinking

250–250 mg
oral
NootropicNootropics

Rhodiola Rosea

When you're running on empty — this herb refills your mental tank

100–200 mg
oral
NootropicNootropics

Ginkgo Biloba

Gets more oxygen to your brain — think faster, react quicker

60–120 mg
oral
NootropicNootropics

Phosphatidylserine

Strengthens your brain cells from the inside out — sharper memory as you age

100–100 mg
oral
NootropicNootropics

L-Tyrosine

Refills your brain's motivation tank — clutch for high-pressure days

250–500 mg
oral
NootropicNootropics

Methylene Blue

Recharges your cell batteries — the mitochondrial energy booster turning heads in biohacking

5–15 mg
oral
NootropicNootropics

Alpha-GPC

The VIP delivery of brain fuel — gets choline past the blood-brain barrier fast

300–300 mg
oral

Showing 32 of 32 compounds