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General description	Hydrosoluble compound important for skin and hair health.
Found	- brewers yeast - liver - wheat germ - eggs - organ meats - yogurt - green leafy vegetables
Anti-aging role	- stimulates intestinal bacteria wich aids in production of vitamin B 5 - production of blood cells - metabolism of the proteins - healthy skin, hair - intestinal health - aid in vitiligo
Deficiency symptoms	Similar to symptoms caused by folic acid and vitamin B 5 but including vitiligo, fatigue, irritability depression, nervousness, headache, constipation
Therapeutic doses	50 - 100 mg combined with a B - complex supplements. RDA is not established.
Maximum safe level	Not established
Side effects	Excessive doses: hypoglycemia, rash, fever, liver damage
Interactions	- dapsone - methotrexate - sulfomethoxazole - sulfosalazine - trimetoprim

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