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35 posts
Andrew Windle
Vitamin K2 raises testosterone in animal studies and amplifies vitamin D3. Here's the science behind the K2/D3 pair.
Andrew Windle
Alcohol suppresses testosterone on four levels. Here's how long recovery takes after quitting, what the research shows, and how to compress the timeline.
Andrew Windle
Vitamin D3 acts like a hormone, not a vitamin. Here's the research on how it raises testosterone in deficient men.
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