Per-milligram prices for 12 immune support & longevity compounds, read automatically from public storefronts across shops with third-party lab tests on file. Prices exclude shipping, taxes and customs. Browse 12 immune support and longevity peptides tracked on Peptigrity, with verified third-party HPLC purity data, shop coverage, and mechanism research for each. The category covers five mechanism classes: thymic and immune-modulating peptides (Thymosin Alpha-1, VIP, KPV), telomere and aging-pathway peptides (Epithalon, NAD+ precursors), mitochondrial-targeted peptides (SS-31, ARA-290), antimicrobial and apoptotic compounds (LL-37, FOXO4-DRI, PNC-27), and erythropoietin-related compounds (EPO, Glutathione). Evidence quality varies dramatically across the category - from FDA-approved indications to preclinical-only research compounds.
| Compound | Shops in stock | Offers | Sizes | Lowest $/mg | Median $/mg | Updated |
|---|---|---|---|---|---|---|
| EPITHALON | 68 | 83 | 10–50mg | $1.27 | $3.50 | 14 Sept |
| PNC-27 | 11 | 11 | 5–30mg | $4.83 | $11.90 | 14 Sept |
| Thymosin-Alpha 1 (A1) | 61 | 63 | 5–20mg | $2.50 | $6.80 | 14 Sept |
| ARA-290 | 49 | 50 | 10–50mg | $2.00 | $5.10 | 14 Sept |
| SS-31 (Elamipretide) | 39 | 46 | 10–1000mg | $1.60 | $3.50 | 14 Sept |
| KPV | 88 | 95 | 4–80mg | $1.30 | $5.00 | 14 Sept |
| LL-37 | 40 | 40 | 4–10mg | $4.00 | $11.37 | 14 Sept |
| VIP (Vasoactive Intestinal Peptide) | 40 | 40 | 5–1000mg | $2.26 | $7.25 | 14 Sept |
| Glutathione | 52 | 54 | 600–1500mg | $0.0170 | $0.0485 | 14 Sept |
| FOXO4-DRI | 25 | 25 | 5–12mg | $10.00 | $15.80 | 14 Sept |
| Humanin | 6 | 6 | 10mg | $4.75 | $13.07 | 14 Sept |
| Thymulin | 6 | 6 | 10–20mg | $2.50 | $4.35 | 14 Sept |
Per-milligram cost falls as vial size rises, so compare within a size band rather than across the whole list — the lowest figure on a compound is often a bulk vial. Read the immune support & longevity guide for what these compounds are and how they are tested.