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Below are popular questions answered by ConsumerLab.com
Which dietary supplements are most often linked to adverse reactions by users?
Find out which types of supplements are most likely to cause adverse effects such as nausea, dizziness, racing heart, or insomnia based on a study of supplement users. Also learn how often adverse effects are reported when taking workout and bodybuilding supplements, weight loss supplements, and more.
Which supplements may benefit people with essential tremor, and which should be avoided?
Learn about supplements used for treating essential tremor, including caprylic acid (also called octanoic acid), thiamin (vitamin B1), cannabidiol (CBD), GABA (gamma-aminobutyric acid), and branched-chain amino acids. Find out which work and which don't. Also find out which supplements and food may make essential tremors worse.
Is Relief Factor likely to relieve aches and pains, and is it safe?
Find out if the dietary supplement Relief Factor is likely to help relieve aches and pains, if it is safe, and if it is worth the cost.
Does a USDA Organic seal guarantee that a supplement or natural product has been tested for toxic heavy metals such as lead, cadmium or arsenic?
Find out what the USDA Organic seal on dietary supplements means and whether certified organic supplements and natural products are tested for toxic heavy metals such as lead, cadmium, and arsenic.
I have low blood pressure. Are there any supplements I should avoid?
Find out which supplements can cause decreases in blood pressure, including melatonin, arginine, magnesium, and calcium.
Can taking too much vitamin B-6 be dangerous?
Find out if multivitamins contain excessive amounts of B-6, how much B-6 is too much, and symptoms of toxicity and overdose.
Is soy in supplements good or bad for you?
Find out about the health benefits and/or safety concerns related to soy constituents (including soy isoflavones, soy protein, soy lecithin, and soybean oil), and learn how you can avoid soy in supplements if necessary.
Should I be concerned about pyrrolizidine alkaloids in herbal supplements?
Find out which herbal supplement ingredients contain pyrrolizidine alkaloids (PAs), learn why these constituents are a safety concern, and find out how supplements containing these ingredients are regulated in the U.S. and Europe.
Is hyaluronic acid helpful for osteoarthritis?
Hyaluronic acid supplement information including joint pain, osteoarthritis, clinical evidence, dosage and more.
Does AHCC or active hexose correlated compound have anticancer or antiviral benefits, and is it safe?
Learn about AHCC and active hexose correlated compound, including whether these compounds are beneficial for liver, pancreatic, or prostate cancer, chemotherapy-related side effects, or the flu. Also, find out if AHCC or active hexose correlated compound are safe.
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