THE SUPRLY BLOG

Honest research.
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Deep dives on supplements, protocols from people who actually know what they're talking about, and member data that shows what works.

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PROTOCOLS

The 3-supplement protocol Andrew Huberman actually takes

Cut through the noise of his sponsored content. Here's what the Stanford neuroscientist actually takes daily — and why three of them have RCT-level evidence behind them.

Suprly Research·Apr 22, 2025·6 min read
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DEEP DIVE

Magnesium glycinate vs threonate: what the research actually says

There are 11 forms of magnesium on the market. Two of them have meaningful clinical differences. Here's how to pick — and why most people are taking the wrong one.

Apr 18, 2025·8 min read
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INDUSTRY

Why we don't recommend AG1 to most members

Athletic Greens markets itself as a one-shot daily nutrition solution. We scored it against 16 health goals. Here's what the data shows — and where it actually wins.

Apr 14, 2025·7 min read
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METHODOLOGY

The 4-tier evidence framework: how we separate hype from science

Not all studies are equal. Our scoring engine weighs RCTs over observational studies, observational over traditional use. Here's exactly how it works — and why it matters.

Apr 10, 2025·5 min read
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MEMBER DATA

What 500+ members took for sleep (and what worked)

We anonymized 90 days of check-in data from members optimizing sleep. The results: three supplements moved the needle. Two trending compounds did almost nothing.

Apr 6, 2025·6 min read
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TRENDING

Urolithin A: the longevity compound your gut probably can't make

70% of people lack the gut bacteria to convert ellagitannins into urolithin A. That's why direct supplementation is having a moment — and why the evidence holds up.

Apr 2, 2025·7 min read
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