klatiAPPROVED
Every product here is selected on two criteria: clean formulation (no fillers, sweeteners, colorings, or anti-caking agents — active ingredient only) and verified form (the bioavailability-optimal version of each compound). Promo codes where applicable.
Some links contain referral codes — these have no influence on which products are listed. See the disclaimer for full details on how products are selected and the referral policy.
Last reviewed: April 2026
Selection criteria
- Clean — no flavours, no fillers, no sweeteners (* klatiPRO ✅), no coloring, no bulking and anti-caking agents, only clean active ingredient
- Verified form — the bioavailability-optimal version backed by research
- Powder preferred — allows precise dosing and avoids capsule fillers
| supplement | why this form | props to look for | link to buy | promo code | quality | topic |
|---|---|---|---|---|---|---|
| whey protein | highest DIAAS score, fast absorption | organic, clean, unflavoured | Nutriest · Orgainic 🇩🇪 | Nutriest: ECOBEEF (17%) · NUTRIEST20 (over €200) Orgainic: KLATIPRO (25%) |
✅ | protein |
| collagen | glycine + proline source, joint/skin support | organic, clean | DM 🇧🇬 | ✅ | glycine | |
| creatine | creapure = highest purity monohydrate | creapure, clean | DM 🇧🇬 · Decathlon 🇧🇬 | ✅ | creatine | |
| glycine | pure amino acid, sleep + collagen synthesis | powder, clean | OstroVit | ✅ | glycine | |
| glutamine | gut barrier repair, immune support | powder, clean | OstroVit | ✅ | gut health | |
| omega 3 | triglyceride form = 2–3× better absorption | triglyceride form, clean*, high-DHA | iHerb | ENE8122 | ✅ | fats |
| Vitamin D3 + K2 | D3 + K2 (MK-7) — K2 directs calcium to bone | liquid, D3 + K2 (MK-7), clean | iHerb | ENE8122 | ✅ | vitamin D |
| TMG | methyl donor, supports homocysteine metabolism | powder, clean | iHerb | ENE8122 | ✅ | supplements |
| Zinc | citrate — good absorption, no stomach issues | powder, clean | Trimart 🇧🇬 | ✅ | klatiLYTE | |
| Potassium | citrate — alkalizing, well-absorbed | powder, clean | Trimart 🇧🇬 · iHerb | ENE8122 | ✅ | klatiLYTE |
| Magnesium Bisglycinate | chelated = high absorption, no laxative effect | powder, clean | iHerb | ENE8122 | ✅ | klatiLYTE |
| Magnesium Threonate | crosses blood-brain barrier, cognitive + sleep | powder, clean | Hansen | ✅ | sleep | |
| Hyaluronic Acid | joint hydration, skin elasticity | powder, clean | iHerb | ENE8122 | ✅ | supplements |
| Colostrum | immunoglobulins, gut barrier support | powder, clean | iHerb | ENE8122 | ✅ | gut health |
| Astaxanthin | most potent carotenoid antioxidant, mitochondrial | powder, clean | Hansen | ✅ | klatiPRO | |
| Taurine | cardiovascular + brain, extends healthspan in mice | powder, clean | Hansen · iHerb | ENE8122 | ✅ | supplements |
Discount codes
- Orgainic, organic whey: KLATIPRO, 25% off. The Orgainic link applies the code by itself and opens the 1000 g Natural, the only flavour with one ingredient: organic whey protein concentrate from Germany and Austria. The other flavours add fruit or cocoa powder.
- Nutriest, organic whey: ECOBEEF, 17% off; NUTRIEST20 on orders over €200.
- iHerb: ENE8122, for every iHerb link above.
For dosing, see the klatiPRO stack table and klatiCALC for personalized calculations.
For the full list of what to avoid, see klatiBAN.