Showing Results for Energy
Product Reviews (16)
CL Answers (40)
Which supplements help to improve energy and decrease fatigue?
Energy supplements and vitamins - Some can help increase energy and reduce fatigue, including CoQ10, curcumin/turmeric, cocoa, and B vitamins.
Can taking too much vitamin B-12 be dangerous? The label on my B-complex states it contains 50,000% of the Daily Value!
Find out the daily value for vitamin B-12 and the potential side effects of taking too much B-12. ConsumerLab explains why taking too much vitamin B-12 can be harmful.
Is there a risk of liver toxicity with certain supplements?
Find out if there is risk of liver damage from supplements such as green tea, niacin, red yeast rice and vitamin A.
Does nicotinamide riboside (as in Niagen and Basis) really have anti-aging or other health benefits?
Niagen (Nicotinamide riboside) information, including if it actually provides anti-aging or other health benefits. ConsumerLab explores this question.
What is PQQ? Does it help with aging and memory? Is it similar to CoQ10?
PQQ information (pyrroloquinoline quinone), including evidence from studies on fatigue & tiredness, mood, memory, cognition, and inflammation.
I take ubiquinol to replenish CoQ10 depleted by my statin. I also take curcumin (from turmeric). Since they both manage free radicals, do I need to take the curcumin?
Learn more about the effects of curcumin (turmeric) and ubiquinol (CoQ10), including their shared antioxidant properties and many differences.
I do moderate exercise for about an hour a few times a week. Which supplements might help me?
Info on what supplements are best for work out & exercise regimens, including electrolytes, protein, creatine, and BCAAs.
Which air purifiers are best for reducing the spread of COVID-19?
Find out if portable air cleaners can remove the virus that causes COVID-19 infection from the air and learn which type air cleaners work best.
I'm over 50 and looking to take a vitamin B-12 supplement. Many contain a form of vitamin B-12 called cyanocobalamin, yet I read on the Internet that this form is toxic. Should I be concerned?
Looking to see if the cyanocobalamin form of vitamin B-12 is safe? Read research and safety information on ConsumerLab's report.
I thought the B vitamins were all water soluble and did not build up in the body, so you would not build up toxic levels. Am I wrong?
Learn more about water-soluble B vitamins including niacin, B6, B12 and folic acid, and why taking too much of these vitamins can be toxic. See the symptoms of overdose and toxicity from B vitamins. ConsumerLab.com's answer explains.
Can taking too much vitamin B-6 be dangerous? The label on my multivitamin states it contains 2000% of the Daily Value!
Find out if multivitamins contain excessive amounts of B-6, how much B-6 is too much, and symptoms of toxicity and overdose.
Does Gynostemma pentaphyllum really work as an AMPK activator and help for diabetes, high cholesterol, or weight loss?
Find out if Gynostemma pentaphyllum ( jiaogulan) works as an AMPK activator and helps to lower blood sugar and treat diabetes. ConsumerLab.com's answer explains.
Adrenal Fatigue and Adrenal Support Supplements: Do they work and are they safe?
Find out what's really in supplements for adrenal support and adrenal fatigue, including herbal adrenal support supplements and bovine derived adrenal support supplements. Find out if they really work and if they are safe. ConsumerLab.com's answer explains.
What Is Marine-D3 and does it live up to anti-aging claims?
Learn more about Marine-D3, a supplement from Marine Essentials, including evidence from clinical studies on aging.
Should I be concerned about phytic acid in oat cereals? I've heard that it can be harmful, but also that it can have health benefits.
Get information on phytic acid levels found in oats and oat cereals.
Which oils can help lower my cholesterol and risk of heart attack? How are coconut oil, olive oil, and fish oil for example?
Find out which fats and oils, such as coconut oil and fish oil, lower cholesterol and lower the risk of cardiovascular disease.
Do "Mr. Happy Stack" supplements improve memory, cognition and mood, and are they safe?
Find out if Happy Stack supplements really work to enhance memory and cognition, plus safety and side effects. ConsumerLab.com's answer explains.
I have been having neurological symptoms. My blood test showed a toxic level of vitamin B-6. My multivitamin contains 75 mg of B-6 -- below the upper limit of 100 mg. Is the label wrong?
Find out if multivitamins contain excessive amounts ofvitamin B-6, symptoms of vitamin B-6 toxicity, and the daily upper tolerable intake level for B-6.
What do alkaline booster drops do? Do they provide the same benefits as Kre-Alkalyn?
Learn more about alkaline drop supplements and what booster drops and KreAlkalyn are marketed to do.
Can eating almonds reduce wrinkles?
Find out if eating almonds can reduce wrinkles or improve aging skin.
Do any supplements or lifestyle changes reduce the symptoms of tinnitus? Is it true that some supplements can cause tinnitus?
Learn which supplements can ease tinnitus, including melatonin and pine bark extract. Understand which may actually cause tinnitus.
The maker of my multivitamin says it doesn't include folic acid because too much from supplements can be harmful. Is that true?
Learn more about the harmful effects from too much folic acid, including increased risk of prostate cancer and kidney damage.
Which supplements can help lower cholesterol and keep my heart healthy? Are there any to avoid?
Information about heart health supplements & vitamins that help with cholesterol, including sterol esters, CoQ10, and vitamin D, and which may be bad for the heart, like calcium.
I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements I should avoid, or be taking, due to this drug?
Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests.
Do vitamin patches, such as for B12 or multivitamins, really work? How about those from PatchMD?
Do vitamin B12 Patches like PatchMD really work? Can you absorb vitamin B12 through patches?
Are the "% DV" numbers on vitamin supplement labels really based on what I need?
Learn more about percent daily values, including if they are good standards of measure or if better upper and lower limits exist.
Can prenatal vitamins have too much folic acid? Mine has 800 mcg, but isn't that more than what's recommended? Is this dangerous to me or my baby?
Is it possible for prenatal vitamins to have too much folic acid? Find out the correct dosage so that it is not dangerous to babies.
What are the health benefits of coconut oil and medium chain triglycerides, such as those used in Bulletproof Coffee?
Learn the health benefits of coconut oil and medium chain triglycerides (MCTs), including evidence from Bulletproof Coffee, clinical studies on obesity, skin, and Alzheimer's disease.
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 okay to take vitamin D3 and fish oil together?
Find out if taking vitamin D and fish oil is okay, how it effects absorption, and the best way to take vitamin D to improve absorption. ConsumerLab.com's answer explains.
I have type 2 diabetes. Should I be concerned about ingredients like maltodextrin and maltitol that are found in some protein bars and drinks?
Learn more about maltitol and maltodextrin and their effects on blood glucose levels for people with type 2 diabetes.
Is sublingual vitamin B-12, which is placed under the tongue and allowed to dissolve, really better than the pill form?
Learn the difference between sublingual vitamin B-12, vitamin B-12 pills and more through information including clinical evidence.
Do any supplements help prevent or treat osteoporosis?
If you have osteoporosis, you may be interested in supplements for bone health. Find out which supplements can increase bone strength and density.
Do hair loss supplements work, such as Viviscal?
Vitamins and supplements that may help with hair loss and thinning, including saw palmetto, beta-sitosterol, protein, iron, and vitamin D.
Is kratom too dangerous to use?
Find out if kratom is safe/legal to use, including potential adverse effects, such as agitation, rapid heartbeat, nausea, drowsiness, seizures. ConsumerLab.com's answer explains.
Which supplements can help me sleep and which cause insomnia?
Find out which supplements may improve sleep, including melatonin, L-tryptophan, and magnesium, and which may make sleeping more difficult.
Which supplements can help lower or control my blood sugar?
Find out which supplements can help lower or control blood sugar. Supplements including turmeric/curcumin, fiber, cinnamon, and ginseng are believed to help lower blood sugar.
Are lozenges and sublingual pills considered dietary supplements?
Learn more about lozenges and sublingual pills (such as echinacea, zinc and B12) including safety warnings.
When taking a statin drug like Lipitor or Crestor, are there supplements I should avoid or take?
Learn about the interactions between certain supplements and atorvastatin (Lipitor), rosuvastatin (Crestor), and other cholesterol-lowering statins.
Is MitoQ a better form of CoQ10?
MitoQ information, including how it is absorbed in the body and how it compares to CoQ10.
Recalls & Warnings (150)
Maker of Energy, Weight Loss, Sleep and Vitamin D Supplements Warned for Manufacturing Violations
Weight Loss, Muscle & Energy Supplements Linked to Adverse Events in Children and Young Adults
Cardio, Energy and Sexual Enhancement Supplement Distributor Warned For Manufacturing Violations and Drug Claims
Maker of Aloe, Weight Loss Supplements and More Warned for Manufacturing Violations, Drug Claims
Federal Court Shuts Down Two Supplement Companies Selling Weight, Joint Health and Other Supplements
Seller of Antioxidant Water, Energy Drops Warned for Manufacturing Violations and Drug Claims
23,000 ER Visits Linked to Supplements: Palpitations, Swallowing Problems, Allergies Common
Consumers Who Have Purchased Red Bull May Qualify for Cash Payment or Free Red Bull Products
Seller of Herbal Supplements and "Tonics" Warned For Manufacturing Violations and Drug Claims
Manufacturer of Heart, Multivitamin, Cranberry, and Longevity Supplements Warned For Adulteration and Drug Claims
Maker of Green Coffee Bean Extract and Weight Loss Supplement Warned for Manufacturing Violations
FDA Warns Seller of Arthritis, Blood Pressure, Diabetes Supplements For Making Drug Claims
FDA Warns Seller of DHEA, Creatine, Chromium & More for Manufacturing Violations, Drug Claims
Maker of Cholesterol and Workout Supplements Warned For Manufacturing Violations, Drug Claims and Unapproved Ingredient
Prescription and Street Drug Alternatives Found in Male Enhancement, Mood, and Sleep Supplements
Prescription and Street Drug Alternatives Found in Male Enhancement, Mood, and Sleep Supplements
Manufacturer of Joint, Weight Loss, Muscle Supplements and More Warned for Adulteration, Misbranding and Drug Claims
Seller of B-12, Zinc, Echinacea and More Warned for Manufacturing Violations and Drug Claims
Clinical Updates (13)
Energy Drinks & Aggression
Keep Energy Drinks Away from Kids
Caution with Energy Drinks
Energy Drinks: Athletic Performance & Side Effects
Energy Drinks and Blood Pressure
Danger from Too Much Vitamin B6
CL has long warned that energy drinks and shots often contain large amounts of B6 and other B vitamins.
Concern Over Carnitine Causing Cardiovascular Disease
For more details, see the updated reviews of B Vitamin Supplements & Energy Drinks and Protein Powders, as some of these products contain L-carnitine. The Acetyl-L-Carnitine Supplements review has also been updated because acetyl-L-carnitine is chemically similar to L-carnitine, suggesting a potential concern.