Explainer
Science
Welcome to Rivium Journal: What This Is, Who It's For, and What You Can Expect
What Rivium Journal publishes, how we assess evidence, and the standards readers can hold us to.
Contributor
Rivium Labs
Evidence-led wellness editorial team - research translation and supplement literacy
Glossary
Third-Party Testing
Third-party testing is independent verification of a supplement by an outside lab or certifier that has no financial stake in selling the product. Because supplements in the US aren't approved by the FDA before sale, third-party testing is one of the main…
Glossary
Magnesium glycinate
A magnesium salt in which magnesium is bound to the amino acid glycine.
Glossary
Bioavailability
Bioavailability is the proportion of a nutrient or compound that actually reaches your bloodstream in an active form after you take it — not just the amount printed on the label. If a capsule contains 500 mg of an ingredient but your body only absorbs and…
Q&A
Science
Does More Always Mean Better?
The question: A bottle boasts "mega-dose" or "10x strength." Is a bigger dose actually better — or just a bigger number on the label?
Guide
Practice
How to Read a Supplement Label
A supplement label is a small legal document dressed up as marketing. Once you know which parts are regulated fact and which are free-form persuasion, you can read a bottle in about thirty seconds and know whether it deserves your money. Here's how.
Research highlight
Science
What “Clinically Studied” Should Actually Mean
"Clinically studied." "Science-backed." "Clinically proven." These phrases are everywhere on supplement labels, and they're doing a lot of quiet work on your brain. This piece unpacks what they actually mean, what the research says about how we misremember…
Guide
Practice
A Better Evening Wind-Down, Without the Hacks
Most "perfect night routine" advice online is either a 12-step ritual you'll quit by Thursday or a list of gadgets to buy. This is the opposite: a short, evidence-informed wind-down built around the few things that actually move the needle — and honest…
Explainer
Science
Magnesium Glycinate: What the Evidence Actually Says
Magnesium is having a moment. It's in the sleep gummies, the "calm" powders, the recovery drinks — and glycinate is the form everyone online seems to recommend. So here's the honest question this article answers: what does the research actually show…