Build a stack
Tell us your goals and how much research you want behind them. We build a shortlist from the compounds people actually study for those results.
Design your own stack
Pick what you want to work on and how much proof you want behind it. We'll match compounds people research for those goals.
What are you after?
How much proof do you want?
Include animal & lab-stage compounds.
Common pairings
Combinations people talk about — starting maps, not protocols.
Blood Sugar Balance
This pair is aimed at steadier blood sugar and fat loss. Tirzepatide does the heavy lifting: it is an FDA-approved once-weekly injection that copies two gut hormones to sharply lower blood sugar and drive major weight loss, backed by some of the strongest human trial evidence in this whole field. MOTS-c is a natural peptide your mitochondria make that rises when you exercise, and researchers are studying it as an "exercise in a shot" to improve insulin sensitivity. The catch is that MOTS-c has only been tested in animals and lab dishes, never in a human trial as a treatment. So one half of this stack is proven and one half is promising but unproven.
Deep Sleep Reset
This stack is built to help you fall asleep faster, sleep more deeply, and reset a body clock thrown off by jet lag, late nights, or shift work. Melatonin does the heavy lifting: it is the hormone your brain makes at night, and it has real human backing for cutting the time it takes to fall asleep and for nudging your schedule back on track. DSIP and Epithalon are the experimental partners. Epithalon is copied from a pineal-gland extract, the brain region that runs your sleep clock, while DSIP was first pulled from rabbit blood and studied as a possible natural sleep hormone. The honest picture is that only melatonin has solid human evidence here. DSIP rests on two tiny studies from 1981 that no one has repeated, and Epithalon's sleep and body-clock claims come almost entirely from animal and lab-dish work, so treat those two as promising add-ons rather than proven.
Desire & Drive
This pair aims at sexual desire and drive from two different angles. PT-141 is the stronger half: it is an FDA-approved shot that works on desire circuits in the brain, and it has real trial data behind it for low desire in premenopausal women, though independent reviewers say the day-to-day benefit is modest. Kisspeptin-10 works further upstream, flipping on the body's own reproductive hormone chain, and in animals it also lifted mood. The catch: kisspeptin-10 has never been properly tested in people, and no one has studied the two together.
Focus & Memory
This pair aims at sharper thinking: clearer focus in the moment and stronger memory over time. Semax is a nasal peptide used in Russia for stroke recovery and tried elsewhere as a focus booster; brain scans in healthy people show it changes attention and mood networks within minutes, and it raises the brain's own repair proteins. Dihexa copies a growth signal that helps brain cells build new connections, and in mice and rats it reliably restored memory. The catch is that Semax has only a handful of small human studies, and Dihexa has never been tested in a single person, so the memory side rests entirely on animal work.
Growth Hormone Peak
This is the classic two-peptide pairing people reach for when they want to nudge their body's own growth hormone rather than inject the hormone itself. CJC-1295 is a long-acting copy of the brain signal that tells the body to release growth hormone, so it keeps the background level lifted for days; ipamorelin works on a different switch to trigger a short, clean pulse on top of that, without the cortisol spike seen with older peptides in its class. The idea is that the two together push a bigger, more natural nightly release than either one alone, which fans hope to translate into lean muscle and better recovery. Be honest about the evidence, though: each peptide has only a few small, old human studies showing it raises growth hormone and IGF-1, and none proving real-world muscle or recovery gains in people.
Gut Reset
This pairing is built to calm an irritated gut and help the gut lining heal. BPC-157 is the repair side of the stack: in animal studies it protects the stomach and intestinal lining from ulcers, painkiller damage, and leaky gut. KPV is the anti-inflammatory side: across many mouse and rat colitis studies it consistently turns down the body's main inflammation switch and helps the gut lining recover. The evidence is early. Almost all of it comes from animals and lab dishes, and neither peptide has a proper human trial behind it for gut health.
Injury Repair
This is the go-to soft-tissue pairing people reach for to bounce back faster from muscle, tendon, and ligament injuries. BPC-157 brings a large and remarkably consistent animal research base for healing tendons, muscle, and connective tissue, plus a little encouraging human data from knee injections. TB-500 is the lab-made cousin of a natural repair protein your body already sends to wound sites, and the biology behind it is real even if the actual injected product has barely been tested in people. Keep your expectations honest: almost all the proof for both is in animals, and no study has ever tested the two of them together.
Joints & Tendons
This pair is aimed at supporting joints and connective tissue. Hyaluronic acid is the water-holding substance your body uses to cushion and lubricate joints, and it has the stronger track record here: knee injections modestly ease arthritis pain for a couple of months, though the benefit is short-lived and even researchers call it debated. GHK-Cu is a natural copper-carrying peptide that calms inflammation and nudges damaged tissue toward repair, but for joints and tendons that story rests on animal studies only, with no human trials behind it. Used together they make sense on paper, but the combination itself has not been tested.
Lean & Cut
This pair is built for serious, appetite-driven weight loss and steadier blood sugar. Semaglutide is a well-proven GLP-1 medicine that curbs hunger and cravings, and cagrilintide copies a second "I'm full" hormone called amylin that works through a different appetite pathway. Together they are known as CagriSema, and large trials showed the combination drove more weight loss than either drug alone: about 20% of body weight in people without diabetes and around 14% in people with type 2 diabetes. Each drug has strong human evidence on its own, and the combination itself has now been tested in big phase 3 trials, which is unusual for a stack.
Longevity Foundation
This stack pairs three compounds that people reach for when the goal is broad healthy aging rather than one specific fix. NAD+ supports the raw material cells use to make energy and repair themselves; the best human trials show it safely raises NAD+ levels, though proof it makes people feel or function better is still thin. SS-31 protects the energy factories inside your cells and is a real FDA-approved drug, but only for one rare disease, so its anti-aging use rests on animal studies. Epithalon is the telomere angle, studied for decades in mice and lab dishes with almost no human trial data behind it.
Mood & Calm
This pairing is aimed at people who want to feel calmer and steadier without the grogginess that comes with typical anxiety medication. Selank is the workhorse here. It has a decades-long track record in Russia as an anti-anxiety peptide that eases stress and supports focus without sedating you or causing dependence. Pinealon is added as a brain-protective peptide, studied mostly in older adults and high-stress workers for steadier mood and mental sharpness. Be honest with yourself about the proof: Selank rests on small human trials plus a lot of animal work, and Pinealon rests on a handful of tiny studies from a single research group.
Skin & Hair
This is a topical, cosmetic-leaning stack aimed at firmer skin, fewer fine lines, and better support for hair follicles. GHK-Cu is the anchor: a copper peptide with a long, reassuring track record in skin creams and consistent lab evidence for building collagen and calming inflammation. SNAP-8 adds a Botox-like angle, softening expression lines around the eyes and forehead, though its close relative Argireline carries most of the human proof and even that is modest and mixed. AHK-Cu is the hair-focused piece, resting on a single lab study where it lengthened human hair follicles. The evidence is real but thin, and it is strongest for GHK-Cu used on the skin.