Kelp tablets are perhaps the best source of the rare trace mineral elements so often lacking in the average bodybuilder's diet. In addition to preventing iodine and other mineral deficiencies, kelp aids in fat metabolism and appears to have a beneficial effect on hair growth. Kelp has been found to contain over forty-four different mineral elements.
(IronMan Magazine Nov 1973 Vol. 33 No. 1 and Musclemag Vol 2 issue 1)