Even if you don't want to be a weight lifter, it is important to have good muscle strength for all those every day activities like walking upstairs, carrying shopping, gardening, playing sport, etc.
A lack of vitamin D has been firmly linked to reduced muscle strength. This is what the respected Journal of Clinical Endocrinology & Metabolism has to say "Vitamin D insufficiency has now reached epidemic proportions and has been linked to increased body fat and decreased muscle strength." ( February 2010)
Vitamin D has all sorts of other benefits - studies have shown that supplementation can reduce the death rate by a whopping 7%.
Many respected medical and government agencies recommend vitamin D supplementation.
Read more about the wonderful benefits of vitamin D >>