Nutritional supplements
Learning Center
L-arginine: Does it lower blood pressure?
This supplement may help some people lower their blood pressure. Learn who might benefit and who should stay away from it.
Diabetic neuropathy: Can dietary supplements help?
Along with a healthy diet, some vitamin and antioxidant products might play a role in preventing or slowing this common diabetes complication.
Gallbladder cleanse: A 'natural' remedy for gallstones?
A gallbladder cleanse is a popular alternative remedy for gallstones. But does it work?
Glucosamine: Does it protect cartilage in osteoarthritis?
Glucosamine manufacturers claim their products slow or stop cartilage damage in osteoarthritis.
Growth plate fractures
Growth plate fractures — This common childhood bone injury often needs immediate treatment as it can result in a shorter, longer or crooked limb.
Herbal supplements and heart medicines may not mix
Some herbal supplements can have dangerous interactions with heart medications.
Kratom: Unsafe and ineffective
Users claim kratom lifts mood and boosts energy, but there are many safety issues and questions about whether it works. Learn more before trying it.
Calcium and calcium supplements: Achieving the right balance
Considering calcium supplements? First figure out how much calcium you need. Then weigh the pros and cons of supplements.
Eating the placenta: A good idea?
Despite claims of benefits, eating your placenta after giving birth can be harmful to you and your baby.
Prenatal vitamins: OK for women who aren't pregnant?
Prenatal vitamins: Why they might not be suitable if you're not pregnant.
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