Evidence explainers

The Exact Journal

Explainers on forms, doses and absorption, written from the label outwards. Every number is stated in milligrams, and every article ends with a section on what we still don't know.

3 articlesUpdated 11 Aug 2026
First light crossing a linen bed and a stack of books on a bedside table, the quiet recovery window magnesium glycinate is taken forMagnesium

Magnesium Glycinate: The Mineral Behind Better Sleep and Recovery

Not all magnesium is absorbed equally. Here is why the glycinate form is the one people reach for at night, and how...

11 Aug 2026 · 9 min read

Morning sunlight through window blinds falling across an open hand, the daylight the skin uses to make vitamin D3Bone & Joint

Vitamin D3 + K2: Why These Two Work Better Together

D3 helps you absorb calcium, K2 makes sure it reaches your bones instead of your arteries. Here is why the two belong...

11 Aug 2026 · 11 min read

Amber omega-3 softgels in a white ceramic bowl on pale stone, the EPA and DHA carriers photographed as a specimenOmega-3

Omega 3 Fish Oil Benefits: What EPA & DHA Actually Do in Your Body

Omega 3 fish oil delivers EPA and DHA, two fatty acids your body cannot make on its own. Here is what each...

11 Aug 2026 · 12 min read

How we write

Every article names the form, states the dose in milligrams, and lists its sources. Where the evidence is thin or mixed, we say so in a section called what we still don't know.