Atlas section
Nutrient Synergy
One nutrient supporting the activity, transport or conversion of another
Latest in this section
Vitamin D + Calcium: How Does Vitamin D Affect Calcium Absorption?
Without vitamin D you absorb 10–15% of dietary calcium; with enough, 30–40%. But a one-year trial found that pushing levels higher raised absorption by 1% — about 10 mg of calcium a day.
Explore the interaction