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Table 1 Composition of micronutrient supplement compared to Reference Nutrient Intake (RNI) for British adults (men or women, whichever is the higher) [21]

From: High dose multiple micronutrient supplementation improves villous morphology in environmental enteropathy without HIV enteropathy: results from a double-blind randomised placebo controlled trial in Zambian adults

Micronutrient Daily dose Daily dose in 2008 study RNI Multiples of RNI in current study
Vitamin A     
Retinyl palmitate (mg) 1.6 (4840 i.u.) - 0.7 2.3
Betacarotene (mg) 6.0 4.8 4.2 1.4
Vitamin D (μg) 20 5 10a 2
Vitamin E (mg) 80 10 4 20
Vitamin K (μg) 140 - 1/kg/d 2
Vitamin C (mg) 300 70 40 7.5
B vitamins     
Thiamin (B1) (mg) 36 1.4 0.9 40
Riboflavin (B2) (mg) 12 1.4 1.3 9.2
Pyridoxine (B6) (mg) 20 1.9 1.4 14.2
Niacin (B3) (mg) 54 18 16 3.4
Folic acid (B9) (mg) 1 0.4 0.2 5
Cobalamin (B12) (μg) 28 - 1.5 18.7
Pantothenic acid (B5) (mg) 40 - 5b 8
Minerals     
Iron (mg) 16 30 14.8 1.08
Zinc (mg) 30 15 9.5 3.2
Copper (mg) 1 2 1.2 0.83
Selenium (μg) 350 65 75 4.7
Iodine (μg) 400 150 140 2.9
Chromium (μg) 200 - 25b 8
Magnesium (μg)c 100 - 250 0.4
Manganese (mg) 8 - 1.4b 5.7
L-Cystine (mg) 80 - - -
L-Carnitine (mg) 60 - - -
Citrus bioflavonoids (mg) 60 - - -
  1. aBased on RNI for older adults; no intake of pre-formed vitamin D is required for adults exposed to sun. bNot a formal RNI but probably an adequate intake. cFull dose RNI of Magnesium cannot be administered in this form as it may predispose to diarrhea.
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