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Which vitamins and minerals should be taken together or separately?

Find out the best way to take vitamins and minerals and which vitamins and minerals should be taken together or separately for proper absorption. ConsumerLab answer explains the best way to take vitamins and minerals.

Vitamins & Minerals That Should Be Taken Together or Separately -- various vitamins in spoons

Does the FDA approve laboratories that test supplements?

Are there FDA approved & registered laboratories for dietary supplements? Learn more about laboratories that are registered with the FDA.

Does the FDA Approve Laboratories That Test Supplements? -- supplement capsules in glassware in laboratory

Do companies have to test supplements before they are sold?

Learn more about the requirements supplement companies are held to and FDA regulations.

Do Supplement Companies Have to Test Their Products? -- supplements in glassware in laboratory

Should I be concerned about supplements that contain Polysorbate 80? Is it safe?

Find out if polysorbate 80 is a safe ingredient in supplements.

Is Polysorbate 80 Safe? -- woman looking at supplement label

How can I find supplements that are gluten-free on

Gluten-Free supplements & vitamin information including other dietary features like vegetarian, vegan, and kosher on Our answer explains.

Finding Gluten-Free Supplements -- gluten-free seal

Is fish oil safe? Is it contaminated with mercury and PCBs?

Fish oil safety, including information on contamination with mercury and PCBs.

Is Fish Oil Safe? -- fish oil capsules up close

What is the difference between forms of vitamin K2?

Learn about the different forms of vitamin K2 - MK-4 (synthetic) and MK-7 (natural, from natto).

Vitamin K: MK-4 vs MK-7 -- vitamin K tablets in the shape of the letter 'K'

Does garlic lower cholesterol?

Does garlic lower cholesterol? Learn more about the link between garlic, garlic supplements and cholesterol.

Garlic to Lower Cholesterol -- garlic cloves and pills

Can raspberry ketone help me lose weight?

Information on raspberry ketone and whether there is evidence it can help with weight loss.

Raspberry Ketone for Weight Loss -- a raspberry and raspberry ketone capsules

Is it possible to get too much vitamin D?

Too much vitamin D can lead to adverse effects, including hypercalcemia (excess calcium in the blood).

Too Much Vitamin D? -- bottle of vitamin D and vitamin D tablets in the shape of the letter D
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