I've been using a lutein supplement with 40 mg of lutein and am concerned that this dose may be too high. Are there known harmful side-effects?
Learn more about lutein side effects, proper dosage and safety in vision supplements.
What is Lutigold Lutein? And why is the capsule of one brand of lutein so much larger than that of another brand, if the amount of lutein on the label is the same?
Learn more about lutein supplements like Lutigold, FloraGlo, and XANGOLD, and understand the difference in capsule sizes.
I eat one to two cups of Greek yogurt every day. Do I still need to take a probiotic supplement?
Find out if eating Greek yogurt is sufficient to obtain probiotics, or if supplements can still help.
Why does dark chocolate have iron in it? Is it, or cocoa, a good dietary source of iron?
Find out if dark chocolate or cocoa is a good source of iron and if iron from dark chocolate or cocoa can be well-absorbed.
I've read about several different forms of SAMe. Is one form better than another?
Learn about the various types of SAMe (S-adenosyl-L-methionine) supplements, along with their benefits for hormones & cell membrane health.
I recently read that turmeric is only effective if it is combined with black pepper. Is this true?
Find out the best way to take turmeric and curcumin supplements to increase absorption and bioavailability. ConsumerLab.com's answer explains.
Are the cardiovascular benefits of resveratrol exaggerated?
Find out if resveratrol is effective in improving blood vessels or cardiovascular disease and some safety concerns.
Can taking certain forms of potassium, such as potassium citrate, reduce my chances of getting kidney stones? I've read a study that says it can, but it's unclear how much I should take.
Potassium citrate for kidney stones - can it help? Find out if you can reduce the risk of kidney stones with Potassium citrate.
I purchased matcha green tea powder claiming to contain up to "137 times the EGCG" in brewed green tea, but the label does not list an amount of EGCG. Is the label true?
Learn more about matcha green tea labels, EGCG content & safety concerns with lead contamination.
Do you have any information on SeroVital or any other HGH stimulator?
Learn more about SeroVital and other HGH stimulators in our review article on HGH (Human Growth Hormone) supplements.