Magnesium Forms
Compare citrate, glycinate and oxide by elemental amount, label purpose and tolerability claims.
- Check the amount of elemental magnesium.
- Compare the full label before price.
Compare Before You Buy
Useful questions before a supplement purchase.
These comparison routes help you understand label differences before you enter product profiles. They do not rank products or replace individual clinical advice.
Popular comparison routes
Start with the question behind the product.
Vitamin D Labels
Compare D2, D3, dose units and total intake across foods and supplements.
- Do not treat a high dose as a personal prescription.
- Check for overlap in multivitamins.
Vegan Nutrient Planning
Use B12, iron, iodine and vitamin D information to plan restrictive diets without guessing.
- Start with food and fortified-food patterns.
- Consider clinical advice for a suspected deficiency.
Protein Powders
Compare protein source, grams per serving, allergens, added ingredients and price per useful serving.
- Match the product to dietary preferences.
- Food remains a valid protein source.