2 valid forms · patented pTeroPure® ChromaDex is the canon RCT form · generic OK if verifiable COA.
trans-pterostilbene 99% purity
Best for
Ideal use: 2026 pro protocol, replicate canon RCTs, Sinclair NMN stack.
Advantages
Form used in canon RCTs (Riche, McCormack). 99% purity HPLC verified. Stable. Pharmaceutical grade.
Disadvantages
Expensive · ChromaDex royalty (~30-40 €/month at 100 mg/d). Some brands use pTeroPure but raise margin.
Crystallized without patent brand
Best for
Ideal use: budget, verifiable COA, don't need pTeroPure pedigree.
Advantages
Economical vs pTeroPure. If HPLC COA ≥98% purity, functionally equivalent. Same active trans-pterostilbene.
Disadvantages
Variable quality by manufacturer. Verify COA · cheap Chinese brands may have impurities or inactive cis-isomer.
Ideal use: 2026 pro protocol, replicate canon RCTs, Sinclair NMN stack.
Ideal use: budget, verifiable COA, don't need pTeroPure pedigree.
2 valid forms · patented pTeroPure® ChromaDex is the canon RCT form · generic OK if verifiable COA.