To do good point..très ... after, there other information that come from neighboring countries, another way of faire..Déjà, Germany, my naturopathic physician (double training, this should be compulsory France) écouté..J'ai I spent two years in the galleys in France, half vegetable in muscle (+ bizarre reactions in the body), without at least three French doctors have nothing advocated for vitamin D..Un rheumatologist has completely deceived me and told me unimaginable things (we will believe me crazy if I write this) ... although just below 75nmol / l (61 full months with the July sun, I have a pool), I was very flat ... 100 liquid doses 000UI every two months that I asked my GP did well but my blood vitamin D levels remains the same ... here in Germany, I have intra muscular injections because my German doctor says you can lose up to 60% assimilation of vitamin D by digestive voice ... so I pursuing to find out why this low rate hardly move ... I am in very good shape (1 hour jogging, weight training) and a mad energy, is even that I have to learn to manage now ... a witness that is little understood in France ... now I'm the work of JC.Souberbiel Necker ..