Supplements – kiiwii Blog

Do Multivitamins Actually Do Anything?

The most popular supplement, with surprisingly thin evidence.

Does Collagen Powder Do Anything for Your Skin?

A booming supplement with a believable story and modest evidence.

Do You Actually Need a Fish Oil Supplement?

Omega-3s are great — the pills are a more mixed story.

Vitamin D Is Worth Checking, Especially in Winter

One of the few supplements a lot of people genuinely benefit from.

Creatine Is Cheap, Safe, and Remarkably Well-Studied

One of the most researched supplements — and not just for gym bros.

Magnesium Is the Supplement Most People Actually Lack

One of the few supplements a lot of us genuinely fall short on.

Most Melatonin Doses Are Way Higher Than You Need

More isn't better — and gummies often have even more than the label says.

"Proprietary Blend" Is a Supplement Label Loophole

It lists the ingredients without telling you how much of each.