from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A food or naturally occurring food supplement thought to have a beneficial effect on human health.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A nutrient or food believed to have curative properties. A food used as a drug.
nutr(itious) + (pharm)aceutical.(American Heritage® Dictionary of the English Language, Fourth Edition)
Blend of nutrient and pharmaceutical (Wiktionary)