You’ve been taking iron supplements, eating spinach, and tracking your diet, but the numbers aren’t budging, and your energy ...

Registered dietitians and doctors say that almond milk can affect calcium absorption (and levels in general). The most ...

Caffeine is a natural stimulant. Some studies claim it interferes with the absorption of iron, but research is mixed. In addition to helping you start your day in the morning, consuming caffeine has ...

Absorption, or bioavailability, refers to how much of a vitamin makes it from your supplement into your bloodstream. High absorption means you’re actually getting the nutrient you paid for, while poor ...

Vitamin absorption depends on many complex factors, including form and diet. The best form of vitamin supplement for you depends on your health and needs. Many different types of supplemental vitamins ...