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Look up a product or practice on this list to find safety information—including side effects and cautions—from NCCIH fact sheets, MedlinePlus, or other Federal agencies.
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- Acai
- Acupuncture
- Alfalfa (MedlinePlus)
- Aloe Vera
- Antioxidants
- Ascorbic Acid (Vitamin C) (ODS)
- Ashwagandha
- Asian Ginseng
- Astragalus
- Ayurvedic Medicine
- Belladonna (MedlinePlus)
- Beta-Carotene (MedlinePlus)
- Bilberry
- Biotin (MedlinePlus)
- Bitter Orange
- Black Cohosh
- Black Psyllium (MedlinePlus)
- Black Tea (MedlinePlus)
- Bladderwrack (MedlinePlus)
- Blessed Thistle (MedlinePlus)
- Blond Psyllium (MedlinePlus)
- Blue-Green Algae (MedlinePlus)
- Blueberry (MedlinePlus)
- Boron (MedlinePlus)
- Bromelain
- Calendula (MedlinePlus)
- Carnitine (ODS)
- Cartilage, Shark (MedlinePlus)
- Cat’s Claw
- Chamomile
- Chamomile, Roman (MedlinePlus)
- Chasteberry
- Chinese Thunder God Vine
- Chiropractic
- Chondroitin Sulfate (MedlinePlus)
- Chromium (ODS)
- Cinnamon
- Clove (MedlinePlus)
- Coenzyme Q10
- Colloidal Silver Products
- Cranberry
- Creatine (MedlinePlus)
- Dandelion
- Devil’s Claw (MedlinePlus)
- DHEA (MedlinePlus)
- Dietary Supplements
- Echinacea
- Ephedra
- Erectile Dysfunction/Sexual Enhancement
- Eucalyptus (MedlinePlus)
- Elderberry
- Evening Primrose Oil
- Fatty Acids (also see Omega-3s)
- Fenugreek
- Feverfew
- Fish Oil (also see Omega-3s)
- Flaxseed and Flaxseed Oil
- Folate/Folic Acid (ODS)
- Food Safety (HHS)
- Garcinia Cambogia
- Garlic
- Ginger
- Ginkgo
- Ginseng
- Goji (also see Lycium) (MedlinePlus)
- Goldenseal
- Grape Seed Extract
- Green Tea
- Hawthorn
- Herbal Supplements
- Homeopathy
- Hoodia
- Horse Chestnut
- Horsetail (MedlinePlus)
- Immunization/Vaccine Safety (CDC)
- Iodine (ODS)
- Kava
- L-arginine (MedlinePlus)
- Lavender
- Licorice Root
- Lycium (also see Goji) (MedlinePlus)
- Lycopene (MedlinePlus)
- Magnets
- Manganese (ODS)
- Manipulation, Spinal Manipulation
- Massage
- Meditation
- Melatonin
- Milk Thistle
- Mistletoe
- Niacin (Vitamin B3) (ODS)
- Niacinamide (Vitamin B3) (MedlinePlus)
- Noni
- Omega-3 Fatty Acids
- Pantothenic Acid (Vitamin B5) (ODS)
- Passionflower
- Pennyroyal (MedlinePlus)
- Peppermint Oil
- Phosphate Salts (MedlinePlus)
- Pomegranate
- Probiotics
- Propolis (MedlinePlus)
- Psyllium, Black (MedlinePlus)
- Psyllium, Blond (MedlinePlus)
- Pycnogenol (MedlinePlus)
- Qigong
- Red Clover
- Red Yeast
- Reiki
- Rhodiola
- Riboflavin (Vitamin B2) (MedlinePlus)
- Roman Chamomile (MedlinePlus)
- Sage
- SAMe
- Saw Palmetto
- Senna (MedlinePlus)
- Shark Cartilage (MedlinePlus)
- Soy
- Spinal Manipulation
- St. John’s Wort
- Tai Chi
- Tea, Black (MedlinePlus)
- Tea, Green
- Tea Tree Oil
- Thiamine (Vitamin B1) (MedlinePlus)
- Thunder God Vine
- Traditional Chinese Medicine
- Turmeric
- Vaccine/Immunization Safety (CDC)
- Valerian
- Vitamin C (also see Ascorbic C) (ODS)
- Wild Yam (MedlinePlus)
- Yoga
- Yohimbe
- Zinc (ODS)