What's inside salmon, and where does it go in your body?
Protein plus EPA and DHA omega-3 fats, and one of the few foods that naturally contains vitamin D.
Notable for
Protein, EPA/DHA, vitamin D, B12, selenium.
Mercury
Salmon is low in mercury; the FDA lists it among 'best choices'.
Evidence & sources
Salmon is one of the few foods that naturally contain vitamin D. Evidence: established. Known: Listed among top natural food sources. Unknown: Farmed and wild salmon differ in amount. Source: NIH Office of Dietary Supplements, Vitamin D Fact Sheet for Health Professionals (Current revision).