What are the side effects of Astaxanthin?

Users most often report orange skin, testosterone increase, thrombocytopenia, nosebleed, libido loss. Side effects came up 8 times across 166 reports.

User reports can't establish safety. PubMed lists 39 meta-analyses and 84 randomized trials. Talk to a doctor or pharmacist, especially if you take other medication.

Astaxanthin side effects

Across 166 first-hand reports, people mentioned a side effect 8 times (about 5 per 100 reports). The most common: orange skin, testosterone increase, thrombocytopenia. User reports show what people notice — they can't tell you whether Astaxanthin is safe for you.

Reported side effects

orange skin1

testosterone increase1

thrombocytopenia1

nosebleed1

libido loss1

motivation loss1

erectile dysfunction1

pink staining1

In their own words

“No visible results for me. But it helped to heal the red sunburned skin of my friend.”

MixedRead the discussion ↗

“I've been taking 8mg... my vision improved so much! ... I'm taking 12mg Astaxanthin... Yet to feel or see any difference though”

MixedRead the discussion ↗

Is Astaxanthin safe? What the research covers

AResearch: Strong39 meta-analyses · 84 randomized trials on PubMed

Nutrients · 2024

Antioxidant Lipid Supplement on Cardiovascular Risk Factors: A Systematic Review and Meta-Analysis

Conclusion: Antioxidant lipid supplementations ameliorate cardiometabolic risk factors, while their effect may depend on type and cardiometabolic health status. Long-term RCTs are needed to corroborate risk-benefit ratios across different antioxidant functional lipid supplementation settings.