I should have been clearer. The way I understand it, for healthy people, a low Vitamin D result on a blood test doesn't merit supplementation. For various spe

I should have been clearer. The way I understand it, for healthy people, a low Vitamin D result on a blood test doesn't merit supplementation. For various specific illnesses, diagnosed separately, addressing Vitamin D deficiency through supplementation could help. (Not a doctor, don't take medical advice from HN comments)