Longevity & Supplement Guides

Product updates 4 min read

Two additions to the Agen app: a 30-second camera-based wellness scan that reads your everyday signals, and 60+...

Buying guide 5 min read

An honest framework for comparing all-in-one greens powders and personalized supplement systems — what to look for, and...

Goal guide 5 min read

Which nutrients have authorized roles in normal immune function, how to use them year-round, and why 'boosting' immunity...

Goal guide 5 min read

Which nutrients have established roles in normal cognitive function, what to be skeptical of, and how to build...

Ingredient guide 5 min read

Ashwagandha is a popular adaptogenic herb. Here's an honest look at its traditional use, the state of the...

Ingredient guide 5 min read

Creatine is the most-researched sports supplement. Here's its authorized performance role, how to take it, and where the...

Ingredient guide 5 min read

Vitamin D and K each have established roles in bone health. Here's why they're commonly paired and how...

Ingredient guide 5 min read

EPA and DHA are the two omega-3s that matter most. Here's what each does, the authorized health roles,...

Ingredient guide 5 min read

What 'liposomal' actually means, what the science says about absorption, and how to judge whether it's worth paying...

Goal guide 5 min read

An honest, evidence-minded look at supplements people use for sleep and recovery — what helps, what to look...

Ingredient guide 6 min read

What magnesium does, why the glycinate (bisglycinate) form is popular, how much you need, and how to fit...

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