Ideal use: ALL indications · clinical canon · natural default.
Advantages
Canon RCT form (Nakajima, Yoshida, Tominaga, Earnest). Natural microalga · biological stereoisomer profile (3S,3'S pure). HPLC standardization. High bioavailability with fat.
Disadvantages
Expensive vs synthetic (~€20-30/month 6 mg/d).
2
🚫 Petrochemical synthetic astaxanthin - AVOID
BASF chemical synthesis · stereoisomeric mixture
Best for
AVOID. Only natural Haematococcus.
Advantages
Affordable.
Disadvantages
Different stereoisomeric structure (3S,3'S + 3R,3'R + 3R,3'S mixture · NOT biological) · 50% bioactivity. NO canon RCTs. Majority used in cultivated salmon feed.