Natural vs Synthetic Astaxanthin: Differences To Help You Choose

Two bottles can both say “astaxanthin” on the front and hold VERY different ingredients.

One kind is grown, and the other is made in a lab. 

They share a name and a deep red color, but they come from different places and serve different purposes.

So here are 5 differences worth knowing before you pick one…
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1. Where It Comes From

Natural astaxanthin comes from a microalgae called Haematococcus pluvialis.

The algae start out green, and they turn deep red as they build up astaxanthin to protect themselves from strong light and other stress. Growers then harvest the algae and extract that red pigment.

But synthetic astaxanthin doesn’t involve algae. It’s built step by step in a lab, starting from petrochemicals.

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2. What Each Type Is
Made For

Farmed salmon and trout don’t eat food that turns wild fish pink, so they add astaxanthin to their feed to color the flesh. The FDA lists it as a color additive for that purpose.¹

Natural astaxanthin costs more to produce, so it’s mainly used in high-quality supplements.

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3. How Much Human Research Is Behind It

A 2019 review examined 87 human studies on astaxanthin and found no safety concerns at 12mg a day for the natural form.² 

The same review pointed out that the synthetic form hasn’t been through that kind of human research yet.

So if you’re reading about a study on astaxanthin and skin, energy, or recovery, it was most likely done with the natural kind.
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4. How To Tell Them Apart
On A Label

The front of the bottle won’t always tell you, so turn it around.

A natural product names its source in the ingredients, usually as “Haematococcus pluvialis” or “from microalgae”. If the panel only says “astaxanthin” and gives no source, that’s usually a bad sign.

This test only takes a couple of seconds, and it’s the quickest check on this list.

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5. What It Costs

Growing and harvesting algae takes more time and money than making a compound in a lab.

That’s why natural astaxanthin costs a lot more to produce (and why it’s the VIP option on the shelf³)

So when 2 bottles show the same dose at different prices, the source is often the reason.

If you’d like the natural kind, our Astaxanthin is made with it.

Each daily serving gives you 12mg of astaxanthin from Haematococcus pluvialis microalgae in an organic coconut oil softgel for better absorption.

Every batch is third-party tested for purity and heavy metals, and the source is printed on the label, so you never have to guess.

Choose natural if you want the high-quality form most of the research was done on.

Synthetic costs less, but it’s mainly made for fish feed and has less research behind it.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary.