Phytality

Abstract editorial illustration of ALA EPA and DHA omega-3 conversion pathway in teal and warm clay

ALA conversion DHA

ALA vs EPA vs DHA: The Three Omega-3s Explained

Mar 26, 2026

There are three omega-3 fatty acids you will encounter on supplement labels and in nutrition guidance: ALA, EPA, and DHA....

Abstract editorial illustration comparing EPA and DHA omega-3 fatty acids in teal and sage green

comparison DHA EPA

EPA vs DHA: What Is the Difference?

Mar 26, 2026

EPA and DHA are both long-chain omega-3 fatty acids, both found in fish and algae, and both cited in the...

Abstract editorial illustration about DHA content in marine phytoplankton with restrained cellular motif in teal and sand

DHA hub:marine-phytoplankton marine phytoplankton

Does Marine Phytoplankton Contain DHA?

Mar 26, 2026

No. If you are taking a marine phytoplankton supplement, the species inside is almost certainly Nannochloropsis, and Nannochloropsis produces EPA...

Abstract editorial illustration of EPA omega-3 in marine phytoplankton with molecular chain motif in teal and ochre tones

EPA hub:marine-phytoplankton marine phytoplankton

Does Marine Phytoplankton Contain EPA?

Mar 26, 2026

Yes. Certain species of marine phytoplankton produce EPA (eicosapentaenoic acid) at concentrations high enough to be nutritionally meaningful. But the...

Abstract editorial illustration of heavy metal contamination concern in algae supplements with cautionary motif in muted teal and warm sand

algae supplements arsenic cadmium

Heavy Metals in Algae Supplements: What You Should Know

Mar 26, 2026

Pick up a tub of chlorella powder in a health shop and it looks clean, green, and wholesome. Nothing about...

Abstract editorial illustration comparing closed photobioreactor and open pond algae cultivation in teal and sage green

contamination cultivation hub:purity

Closed Photobioreactor vs Open Pond: How Algae Cultivation Affects Your Supplement

Mar 26, 2026

If you are comparing algae supplements, how the algae was grown is one of the most useful things you can...

efsa gb authorised health claims omega 3

DHA EFSA EPA

EFSA and GB-Authorised Health Claims for Omega-3

Mar 26, 2026

You have probably seen them on the back of a fish oil bottle in Boots or scrolled past them on...

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EFSA health claims hub:evidence

How We Evaluate Health Claims

Mar 26, 2026

If you pick up a supplement and read the back of the pack, you will encounter health claims. Some are...

chlorella glossary green algae

What Is Chlorella?

Mar 26, 2026

Chlorella is a single-celled freshwater green alga that has been cultivated as a food supplement since the mid-twentieth century, originally...

Abstract editorial illustration of marine phytoplankton as a stylised microscopic cell in muted teal and sage on textured paper

EPA glossary hub:glossary

What Is Marine Phytoplankton?

Mar 26, 2026

Marine phytoplankton are microscopic, single-celled organisms that photosynthesise in seawater. Among the oldest life forms on Earth, these organisms produce...