Eyes, skin and hair

Astaxanthin

Also called: haematococcus

A red pigment from algae.

Why people take it
Skin, eyes, exercise.
What the evidence says
Small studies only.
How it is usually taken
Usually 4 to 12 mg a day with food.
Be careful
Generally safe.
Medicines it can interact with
May lower blood pressure slightly.

Other eyes, skin and hair

Lutein and zeaxanthinKeratinHair, skin and nails blendsCeramidesPycnogenolPolypodium leucotomos

Common questions

What is Astaxanthin?

A red pigment from algae.

Why do people take Astaxanthin?

Skin, eyes, exercise.

Does Astaxanthin work?

Small studies only.

How much Astaxanthin do people take?

Usually 4 to 12 mg a day with food.

Is Astaxanthin safe?

Generally safe.

Does Astaxanthin interact with medicines?

May lower blood pressure slightly.

Sources and further reading

Last reviewed 31 October 2026. Written by Satya Babu.

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