A static reference database documenting 5,142 supplement interactions, organized by common pairs and providing guidance on timing and absorption effects. The resource addresses whether common supplements like calcium, iron, zinc, and vitamins can be taken together, noting when separation is needed and when combinations are safe or even synergistic.
A supplement checker tool helps users determine if their vitamins and supplements work by displaying evidence-based ratings. The tool shows that creatine monohydrate may slightly improve athletic performance in sports like rowing, jumping, and soccer, particularly for strength and short bursts of activity rather than endurance.