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Percent free testosterone is not a useful parameter. Ignore it. In your case all it's reflecting is your above-average SHBG. Higher SHBG drives up total testosterone, while the important parameter, free testosterone, is relatively independent.While it's reasonable to supplement with modest amounts of vitamins D and K2, your D lab result is not as alarming as it appears. There was an arbitrary change in the reference range that suddenly made vast numbers appear deficient. The lower end used to be around 20 ng/mL, and research shows that serious negative associations occur when levels are under 15 ng/mL.
Percent free testosterone is not a useful parameter. Ignore it. In your case all it's reflecting is your above-average SHBG. Higher SHBG drives up total testosterone, while the important parameter, free testosterone, is relatively independent.
While it's reasonable to supplement with modest amounts of vitamins D and K2, your D lab result is not as alarming as it appears. There was an arbitrary change in the reference range that suddenly made vast numbers appear deficient. The lower end used to be around 20 ng/mL, and research shows that serious negative associations occur when levels are under 15 ng/mL.
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