Supplements
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Nattokinase bleeding risk: aspirin, blood thinners, and surgery
The same fibrinolytic action that makes nattokinase interesting is what puts people in the emergency room. Two case reports, both fatal-adjacent, show the two ways it goes wrong.
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Supplement evidence tiers: from S-tier to one rat study
Creatine has hundreds of human trials. Fadogia agrestis has one 2005 rat study and a toxicity signal. Pricing your confidence to the evidence tier is the whole skill.
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Creatine for the brain, not just the biceps
The most studied supplement in the world has a second job most people never use it for, and getting it needs a bigger dose than the tub label suggests.
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The low-effort changes worth trying first (ranked by evidence)
Most easy-wins lists rank by what sounds exciting or what the author is selling. Ranked by evidence, the top of the list is boring behavior, not a supplement.
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Nattokinase and arterial plaque: what the evidence supports
A soybean enzyme with one genuinely striking plaque study, a modest blood pressure effect, and a bleeding risk nobody mentions. What holds up and what does not.
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How to decide which supplements to drop (subtraction as discipline)
What you stopped taking teaches you more than what you take. The subtraction test, and why a bloated stack quietly corrupts your own bloodwork.