What the research says about calcium, vitamin D, magnesium and omega-3 fatty acids.
Should your clients take them, or shouldn’t they? Supplements, that is.
One day the news media are report- ing that dietary supplements don’t pre- vent disease and may actually threaten our health; the next day another study says that supplements can help to thwart disease or can fill nutrient gaps in our diets. What should health and fitness professionals tell clients when asked about supplements?