Zinc is a mineral needed in small amounts for a long list of normal processes. This page keeps to the wording the regulation allows.
Zinc is a mineral the body needs in small amounts. It is involved in a very wide range of normal processes, which is why the authorised list of claims for zinc is one of the longest for any nutrient.
This page explains what zinc does in the body, which foods contain it, and how it sits within the Immufix formula.
What Zinc does in the body.
Zinc contributes to the normal function of the immune system and to the maintenance of normal skin, hair and nails.
Zinc contributes to normal cognitive function, normal DNA synthesis and normal protein synthesis, and to normal macronutrient, carbohydrate and fatty acid metabolism. It contributes to the maintenance of normal bones, hair, nails and skin, and of normal vision. It contributes to the protection of cells from oxidative stress and has a role in the process of cell division.
Every sentence above uses the wording the regulation allows, credited to zinc as a nutrient.
How much counts as a source.
The Nutrient Reference Value for zinc on UK labels is 10 mg a day. A food counts as a source of zinc at 15 % of that per 100 g (1.5 mg) and as high in zinc at 30 % (3 mg); drinks use half those percentages per 100 ml. Those are the thresholds every food page here applies, and the only basis on which a food page says “source of” or “high in”.
Foods with the most zinc, per 100 g.
Per 100 g, these are the foods in the database with the most zinc. Dishes and recipes are left out so the list shows single foods.
592 % of the NRV per 100 g. Full nutrition facts for Oysters, raw.
159 % of the NRV per 100 g. Full nutrition facts for Liver, calf, fried in corn oil.
144 % of the NRV per 100 g. Full nutrition facts for Agar, dried.
142 % of the NRV per 100 g. Full nutrition facts for Liver, calf, raw.
140 % of the NRV per 100 g. Full nutrition facts for Wheatgerm.
121 % of the NRV per 100 g. Full nutrition facts for Whelks, boiled.
88 % of the NRV per 100 g. Full nutrition facts for Chervil, dried.
88 % of the NRV per 100 g. Full nutrition facts for Oxtail, meat only, stewed with added salt.
87 % of the NRV per 100 g. Full nutrition facts for Beef, braising steak, braised, lean and fat.
87 % of the NRV per 100 g. Full nutrition facts for Beef, stewing steak, pressure cooked, lean and fat.
82 % of the NRV per 100 g. Full nutrition facts for Liver, pig, stewed.
76 % of the NRV per 100 g. Full nutrition facts for Beef, braising steak, slow cooked, lean and fat.
75 % of the NRV per 100 g. Full nutrition facts for Beef, stewing steak, stewed, lean and fat.
72 % of the NRV per 100 g. Full nutrition facts for Crab, white meat, purchased cooked.
70 % of the NRV per 100 g. Full nutrition facts for Liver, pig, raw.
69 % of the NRV per 100 g. Full nutrition facts for Cocoa powder.
67 % of the NRV per 100 g. Full nutrition facts for Beef, stewing steak, frozen, stewed, lean and fat.
66 % of the NRV per 100 g. Full nutrition facts for Crab, purchased cooked.
66 % of the NRV per 100 g. Full nutrition facts for Pumpkin seeds.
65 % of the NRV per 100 g. Full nutrition facts for Pine nuts, kernel only.
Where Zinc comes from in food.
oysters (59.2 mg), calf liver (15.9 mg), agar (14.4 mg), wheatgerm (14 mg), whelks (12.1 mg), chervil (8.8 mg), oxtail (8.8 mg), beef braising steak (8.7 mg)
Zinc in the Immufix formula.
Zinc is one of the minerals in the formula's micronutrient core, taken in the same measured 25g serving as everything else in the formula rather than as a separate tablet.
The declared amount per serving and its share of the Nutrient Reference Value are on the label and on The Science page.
Questions people ask.
No. UK guidance sets an upper level for supplemental zinc, so the amount in a daily formula is measured rather than maximised.
Where the numbers come from.
Food figures from the UK Composition of Foods Integrated Dataset (CoFID, 2021), per 100 g; reference values from Regulation (EU) 1169/2011 Annex XIII as retained in GB law; claim wording from Wording already published on the site's Science page. Contains public sector information licensed under the Open Government Licence v3.0. All foods A to Z.
One scoop, every nutrient declared.
Every vitamin and mineral in Immufix, its amount per scoop and its share of the reference intake, is on The Science page.
See what’s in the scoop