Precision Nutrition
Encyclopedia of Food: Vitamin B1 Thiamine
Critical to metabolism, thiamine provides benefits to the human body. Find sources of vitamin B1 and identify symptoms of consuming too much or too little of it.
Precision Nutrition
Encyclopedia of Food: Vitamin B3 Niacin
Recognize the health benefits of taking vitamin B3 through the sources offered. Discover the symptoms of having too much or too little niacin.
Precision Nutrition
Encyclopedia of Food: Vitamin B7 Biotin
Discover the health benefits and sources of biotin. Recognize symptoms of deficiency or excess of the B vitamin.
Other
Moms Team: u.s. Dietary Reference Intakes (Dr Is) for Vitamins
Find a chart with useful information on the vitamins you need to be healthy. Includes the "functions" and "sources" of vitamins C, B1, niacin, B6, folic acid, B12, A, D, E, and K.
Other
Vitamin Information Center Vitamin B 2
This site provides very brief information on vitamin B2 which is also known as riboflavin.