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    Recommended Daily Allowance (RDA) and the Upper Safe Limits (USL)

    Name RDA USL
    Beta-Carotene n/a 20mg
    B1 (Thiamin) 1.4mg 100mg
    B2 (Riboflavin) 1.6mg 200mg
    B3 (Niacin(amide)) 18mg 450mg (niacinamide);
    150mg (niacin/nicotinic acid)
    B5 (Patothenic) 6mg 500mg
    B6 (Pyridoxine) 2mg 100mg
    B12 (Cyanocobalamin) 1mg 500mg
    Folic Acid 200mg 400mg
    Biotin 150mg 500mg
    Vitamin C (Ascorbic) 60mg 2000mg
    Vitamin D 5mg 10mg
    Vitamin E (Tocopherol) 10mg 800mg
    Minerals
    Boron n/a n/a
    Calcium 800mg 1500mg
    Chromium n/a 200mg
    Copper RNI = 1.2mg 5mg
    Iodine 150mg 500mg
    Iron 14mg 15mg
    Magnesium 300mg 350mg
    Manganese n/a 15mg
    Phosphorous n/a n/a
    Potassium RNI = 3500mg n/a
    Selenium (Silica) RNI = 75mg n/a
    Sodium RNI = 1.6g n/a
    Sulphur n/a n/a
    Zinc 15mg 15mg
    Source: www.creatinestore.co.uk
last updated 25 Oct 2002