Vitamin D is the vitamin of white privilege.

According to a study analyzing NHANES data from 2001 to 2018, approximately 60.4% of non-Hispanic Black Americans are deficient in vitamin D, defined as serum 25(OH)D levels below 50 nmol/L (equivalent to <20 ng/mL). According to the same study, approximately 14.7% of non-Hispanic White Americans are deficient in vitamin D, defined as serum 25(OH)D levels below 50 nmol/L (equivalent to <20 ng/mL). Yes, vitamin D receptors are present in the testicles. Yes, vitamin D receptors are present in the brain. Yes, vitamin D receptors are present in the muscles (specifically skeletal muscle). Yes, vitamin D receptors are present in the heart.

If you are a white man you must ensure you are not defecient in vitamin D. You must not be part of the 15 percent of white Amer deficient in vitamin D! You must be better then most blacks and spics since most blacks and spics are defecient in vitamin D

You can take a single large dose of 600,000 ius of vitamin D orally to get you started.
https://academic.oup.com/jcem/article-abstract/95/10/4771/2835274?login=false

That's 8 50,000 ius of vitamin D pills. Then you can just take a few pills every week from then on to maintain your levels.