Vitamin daily intake guidelines

Information chart on daily intake levels
(Please note these levels are constantly being reviewed as new scientific data emerges)

Vitamin/Mineral

EU Labelling RDA (Recommended Daily Allowance) to prevent deficiency
(90/496/EEC)*

Average intake of nutrients from a normal diet in men & women
(DEFRA 2007)**

UK daily Safe Upper Levels (SUL) & Guidance Levels (GL)
(EVM 2003)***

Vitamin A (Retinol equivalent) µg

800

909

1500 (GL)

Vitamin B1 (Thiamin) mg

1.4

1.82

100 (GL)

Vitamin B2 (Riboflavin) mg

1.6

1.99

40 (GL)

Vitamin B6 (Pyridoxine) mg

2

2.6

10 (SUL)

Vitamin B12 (Cobalamin) µg

1

6.6

2000 (GL)

Vitamin C (Ascorbic Acid) mg

60

78

1000

Vitamin D (Cholecalciferol) µg

5

3.25

25 (GL)

Vitamin E (Tocopherol) mg

10

12.71

540 (SUL)

Niacin mg

18

36.2

500 (GL) – Not applicable during pregnancy

Biotin µg

150

Not Available

900 (GL)

Folate (Folic Acid) µg

200

312

1000 (GL)

Pantothenic Acid mg

6

Not Available

200 (GL)

Calcium mg

800

1002

1500 (GL)

Iodine µg

150

Not Available

500 (GL)

Iron mg

14

12.7

17 (GL)

Magnesium mg

300

297

400 (GL)

Phosphorus mg

800

Not Available

250 (GL)

Zinc mg

15

9.7

25 (USL)

Vitamin K

 No RDA

Not Available

1000 (GL)

Beta-carotene (Pro Vitamin A) mg

 No RDA

2.3

7 (SUL) – Not applicable to smokers

Chromium (Trivalent) µg

 No RDA

Not Available

10 (GL)

Copper mg

 No RDA

Not Available

10 (USL)

Manganese mg

 No RDA

Not Available

4 (GL)

Molybdenum µg

 No RDA

Not Available

0 (GL)

Selenium µg

 No RDA

Not Available

350 (USL)

Herbals and Oils do not have RDAs, Safe Upper Levels or Guidance Levels. HSIS produces limited fact sheets on the following: Evening Primrose Oil, Starflower Oil (Borage Oil), Cod Liver Oil, Fish Oils, St John’s Wort, Cranberry, Echinacea, Garlic, Gingko Biloba, Ginseng, Glucosamine, Royal Jelly, Saw Palmetto.

Safe Upper Levels
The Safe Upper Level for daily supplementation defines intakes of nutrients from supplements that could be consumed on a long-term basis. The Safe Upper Levels are made on the assumption that a typical European diet is consumed.
The Upper Safe Level for supplementation is an indication to consumers of levels of consumption that it would be unwise to exceed; it is not a definition of levels that could be advocated to promote general health.

Guidance Levels
Guidance Levels are determined when there is insufficient evidence to establish an upper safe level or when no adverse effect has been identified.
* EC Directive on Nutritional Labelling of Foodstuffs (90/496/EC)
** DEFRA. UK Purchases and expenditure on food and drink and derived energy and nutrient intakes in 2005-06. National Statistics, January 2007.
*** Expert Group on Vitamins and Minerals. Safe Upper Levels for Vitamins and Minerals. May 2003