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Below are popular questions answered by ConsumerLab.com
Taking 2 grams of L-glutamine in water on an empty stomach (as directed) caused me to be nauseous, dizzy and anxious. Is this a normal side effect of glutamine?
Find out how to prevent nausea, dizziness and anxiety when taking monosodium glutamine in water on an empty stomach.
Is it true that calcium citrate increases the absorption of aluminum?
Find out how calcium citrate can impact the absorption of aluminum in your body and if this is a problem for your health.
Does saffron really improve vision or prevent age-related macular degeneration?
Taking saffron may be beneficial in the early stages of age-related macular degeneration and for eyesight.
Tablets I purchased are becoming "crumbly" after a few weeks and are easy to break. Is there a problem with this supplement?
Should you be concerned if your supplement tablets have started to crumble? Learn more including the best way to keep pills from getting soft.
Which bottled green teas have the most EGCG?
Find out which bottled green teas have the most EGCG and health benefits. ConsumerLab tests show the Top Picks.
Do biotin supplements really improve hair and nails?
Does Biotin really work for hair and nails? Find out about strengthening and growth for hair and nails.
Can melatonin help with stomach pain?
Find out if melatonin supplements can help with stomach pain, ulcers, reflux and dyspepsia, or if it can cause stomach upset.
Which supplements reduce the risk of stroke? Which increase the risk of stroke?
Find out which supplements (may help reduce the risk of stroke/might increase the risk of stroke.)
Is it true that yogurt and kefir can trigger migraines?
Learn about the risks of migraines and headaches from yogurt, kefir and other dairy products.
I take melatonin to help me fall asleep. Are there any drugs that interact with melatonin that I should be aware of ?
Melatonin interactions with drugs, including blood pressure medications, Xanax, Ambien, antidepressants, caffeine and more.
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