Table 3.
Median iodine content per adult portion of cow’s milk products, fish and plant-based alternative products
(fortified and unfortified)
| Category | Product | Adult portion size(19) (g) | Iodine content (µg/100 g) | Iodine/portion (µg/portion) |
|---|---|---|---|---|
| Milk | Cow’s milk | 200 | 30·0* | 60·0 |
| Fortified milk-alternative | 24·8† | 49·6 | ||
| Unfortified milk alternative | 0·56‡ | 1·12 | ||
| Yoghurt | Yoghurt from cow’s milk | 150 | 36·5* | 55·0 |
| Fortified yoghurt alternative | 22·5† | 33·75 | ||
| Unfortified yoghurt alternative | 0·84‡ | 1·26 | ||
| Cheese | Cheese from cow’s milk | 30 | 29·5* | 9·0 |
| Fortified cheese alternative | NA | NA | ||
| Unfortified cheese alternative | 0·8‡ | 0·25 | ||
| Fish | White fish | 140 | 106·0* | 148·4 |
| Oily fish | 14·0* | 19·6 | ||
| Fortified fish alternative | NA | NA | ||
| Unfortified fish alternative | 0·5‡ | 0·7 |
NA: fortified product not available on the market.
*
Median values from UK food tables for milk (skimmed, semi-skimmed, 1 % and whole cow’s milk), yoghurt (low fat, Greek, Fromage Frais, whole), cheese (soft, hard, cheese spread, processed) and fish (white and oily) (see detail in online Supplementary Table S2).
†
Median value from fortified product identified in our market survey (no fortified cheese product available on the market; online Supplementary Table S1).
‡
Calculated value based on iodine content of ingredient list (online Supplementary Table S3).