If you have a fall winter and spring, then chances are you will be heavily vitamin d deficient without proper supplementation. This plus cold weather kills thousands each winter by compromising the immune system. It is nothing new or shocking, is the reason dairy is so heavily consumed in the Midwest. Fish: salmon, tuna, cod, herring, etc, mushrooms and dairy are our main supplements of vitamin d. Shocking that almost all cultures that live in winter climates eat those heavily.
If you have a fall winter and spring, then chances are you will be heavily vitamin d deficient without proper supplementation. This plus cold weather kills thousands each winter by compromising the immune system. It is nothing new or shocking, is the reason dairy is so heavily consumed in the Midwest. Fish: salmon, tuna, cod, herring, etc, mushrooms and dairy are our main supplements of vitamin d. Shocking that almost all cultures that live in winter climates eat those heavily.