Distinguished Jewish bearers of the Rivera name and its variants include : â¢ Diego Rivera, renowned artist, who publically announced his Jewish roots: My Jewishness is the dominant element in my life, Rivera wrote in 1935.
The B vitamins are. 1  B1 (thiamine) 2  B2 (riboflavin) 3  B3 (niacin)  B5 (pantothenic 1  acid) 2  B6. B7 (biotin) 3  B12. Folic  acid.
Here are the recommended daily allowances, or RDA, for the B vitamins most commonly used in B complex formulas: vitamin B-1, 1.1 mg to 1.5 mg; vitamin B-2, 1.1 mg to 1.6 mg; vitamin B-3, 14 mg to 17 mg; vitamin B-5, 5 mg to 7 mg; vitamin B-6, 1.3 mg to 2.0 mg; vitamin B-12, 2.4 mg to 2.8 mg.ou can take up to 10 mg of vitamin B-5 daily as a supplement. Vitamin B-6 in doses higher than the RDA can treat B-6 deficiency, premenstrual syndrome, kidney disease and prevent a vision problem called macular degeneration.