हिंदी – विटामिन B | Vitamin B Complex | Functions | Sources | Deficiency | Hindi

Every nutrition is important in our life.Deficiency of any vitamins or minerals affect our body.

Vitamin B complex is complex of Vitamin B1,B2,B3,B5,B6,B7,B9,B12.

Each vitamin have different source.Due to deficiency physical or mental problem occurs.

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