This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of, relating to, or being a theory holding that mental diseases or abnormalities result from various chemical imbalances or deficiencies and can be cured by restoring proper levels of chemical substances, such as vitamins and minerals, in the body.

adj. relating to the theory that mental illness is the result of chemical deficiencies, and can be cured with vitamins and the like

adj. designating or relating to a form of treatment of mental disorders that seeks to restore biochemical balance in the body with large doses of vitamins and minerals

"The professors on my doctoral committee had never heard of the word orthomolecular, and all of them were certain it wasn't an accepted, traditional area of research."

healthful