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Magic of Nature
The product Kelvita, manufactured by the California Kelvita Company of San Francisco, is, according to the package label, a mixture of dried kelp (a seaweed), wheat embryo and certain dried vegetables.
Discussion of Label and Advertising.—
The label states:"A natural food from California, Kelvita, Magic of Nature, a blend of kelp—wheat embryo—and vegetables, presenting minerals and vitamins needed by the human body to maintain normal health and intelligence. Recommended in the treatment of deficiency diseases and glandular disturbances.... One-half teaspoonful dry on the tongue swallowed with water twice daily.... It's wise to be healthy... Calcium, Copper, Iron, Magnesium, Phosphorous, Sodium."There is nothing really unique or even extraordinary, nutritionally or otherwise, about this ordinary product. The ingredients wheat embryo (a part of all whole wheat foods) and vegetables are common market and table articles. The kelp, an unpalatable seaweed, has found no place
Committee on Foods. JAMA. 1935;104(3):219. doi:10.1001/jama.1935.02760030051012