Nutritional supplements
Learning Center
Vitamin D toxicity: What if you get too much?
Understand the risks of too much vitamin D, including a toxic reaction.
Vitamin D deficiency
What are the risks of too little vitamin D?
Unusual COVID-19 symptoms: What are they?
COVID-19 can cause a wide variety of symptoms, some more common than others. Learn about how COVID-19 can make you feel.
Too much vitamin C: Is it harmful?
Vitamin C is an essential nutrient, but too much carries its own risks.
Test anxiety: Can it be treated?
Feelings of worry and self-doubt can interfere with how well you do on tests. Here's what you can do to lower your anxiety.
Recurring strep throat: When is tonsillectomy useful?
Tonsillectomy may sometimes be needed in children who have recurring strep throat infections.
Probiotics and prebiotics: What you should know
Probiotics are foods or supplements that contain 'good' bacteria that might help treat or prevent illness. Should they be part of your diet?
Prenatal vitamins: OK for women who aren't pregnant?
Prenatal vitamins: Why they might not be suitable if you're not pregnant.
Pink eye: How long is it contagious?
Many parents wonder how long pink eye (conjunctivitis) is contagious. Find out.
Multivitamins: Do young children need them?
Multivitamins: Are they good insurance for young children?
Refine Your Search
Type
- All
- Answer
Gender
- All
- Female (1)
Age
- All
- 06 to 12 years elementary/preteen
- 19 to 44 younger
- 45 to 64 middle
- 13 to 18 years teen
- 03 to 5 years preschool
- 02 months to 2 years infant/toddler
- 65 to 80 older
- 80 and over
- 00 birth to 01 month newborn
- 2 years
- 16 months to 2 years toddler