Reviews and Information for Boron
Boron Supplements
Trying to find the best boron supplement? ConsumerLab tested popular forms and brands and found that you can't trust all labels. See which boron supplements passed or failed our tests and learn which were our Top Picks. Also see how boron supplements compare on quality, price, dose, and ingredients, and learn about boron's effects and potential side effects.
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Product Review
Multivitamin and Multimineral Supplements Review
Best Multivitamins -- Caution with Gummies

Product Review
Calcium and Bone Health Supplements Review (Including Vitamins D & K, Magnesium and Boron)
See Which Bone Health Supplements Are Top Picks and Which Fail

Product Review
Magnesium Supplements Review (Including Calcium, Vitamins D & K, and Boron)
Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements

Product Review
Vitamin K Supplements Review (Including Calcium, Vitamin D, Magnesium & Boron)
Find Out If It's Worth Taking Vitamin K and Which Products Are Best

Product Review
Vitamin D Supplements Review (Including Calcium, Magnesium, Vitamin K, and Boron)
Find the Best Vitamin D Supplement and Avoid Problems

Product Review
Joint Health Supplements Review (Glucosamine, Chondroitin, MSM, Boswellia, Collagen and Turmeric)
18% of Joint Health Supplements Failed to Pass Our Tests. See Which Passed or Failed, and Our Top Picks.

Product Review
Prostate Supplements Review (Saw Palmetto and Beta-Sitosterol)
Find the Best Prostate Supplement for Symptoms of BPH. See Which Prostate Supplement Passed or Failed CL's Tests of Quality.

CL Answer
Which supplements help for osteoarthritis of the hip?
Supplements for hip pain and osteoarthritis, such as SAMe, ginger and collagen, may help or reduce pain.

CL Answer
What is Perque Bone Guard Forté? It is safe and effective for bone health?
Find out about the ingredients in Perque Bone Guard Forté, including which ingredients may be beneficial for osteoporosis and bone health and which may be a safety concern.

CL Answer
What are trace minerals and do I need them?
Trace minerals include boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, zinc, and others. Find out what they do, how much of each trace mineral you should be getting, and who's most likely to be deficient in these minerals.

CL Answer
Which supplements help with arthritis?
Learn more about supplements for joint health, including products such as Wobenzym and Zyflamend and ingredients such as collagen, curcumin, glucosamine and chondroitin, hyaluronic acid, magnesium, omega-3 fatty acids, palmitoylethanolamide (PEA), SAMe, and others.

CL Answer
What are "broad-spectrum micronutrient" supplements, and do they have greater health benefits than multivitamin/multimineral supplements?
Learn about "broad-spectrum micronutrients" and how they compare to multivitamin/multimineral supplements.

CL Answer
Do any supplements or diets help prevent or treat osteoporosis?
If you have osteoporosis, you may be interested in supplements or diets for bone health. Find out which can increase bone strength and density.

CL Answer
10 Supplements That May Boost Testosterone (And 13 That May Not)
Many supplements promise to increase testestorone, boost libido, and increase muscle size, but, as ConsumerLab explains, the actual effectiveness of supplements is limited, and some supplements may actually reduce testosterone levels.

CL Answer
What are the possible health benefits of fenugreek, and is it safe?
Fenugreek is promoted for boosting testosterone, increasing breastmilk production, lowering blood sugar, improving symptoms of polycystic ovary syndrome (PCOS), and other conditions, but does it work? Find out.

News Release
August 12, 2024
Too Much Vitamin D? Some Supplements Contain Much More Than Claimed, According to ConsumerLab
White Plains, NY, August 12, 2024 — Getting adequate vitamin D is important to maintaining bone and cardiovascular health, and may have other benefits. However, getting too much vitamin D can have adverse effects, including increasing the risk of fractures and falls.
News Release
July 31, 2024
Best Calcium & Bone Health Supplements According to ConsumerLab Tests
White Plains, NY, July 31, 2024 — Calcium is essential to maintaining bone health and plays critical roles in nerve transmission, muscle contraction, and the cardiovascular system.
News Release
July 30, 2024
ConsumerLab Tests Reveal Best Vitamin K Supplements
White Plains, NY, July 30, 2024 — Vitamin K helps with proper blood clotting as well as with calcium utilization in bones and the cardiovascular system.
CL Answer
What is UC-II and does it help joints?
What is UC-II (undenatured type 2 collagen - InterHealth Nutraceuticals) and do clinical studies show that it works for joint health?

CL Answer
A blood test showed my vitamin D level is low. How do I know how much vitamin D to take?
Find out how to increase vitamin D blood levels, including a good target range.

Product Review
Fruits, Veggies, and Other Greens Supplements Review (Including Spirulina and Chlorella)
Avoid Lead in Greens, Problems with Pills, and Don't Give Up Eating Whole Foods.

Recalls & Warnings
February 05, 2025
Muscle Tech Alpha Test Recalled
On December 18, 2024, Iovate Health Sciences USA Inc. recalled 10 lots (163,248 units) of Muscle Tech Alpha Test capsules because they contain cathine, a controlled substance that can cause serious adverse effects.
CL Answer
How much calcium do you need each day, what forms are best, and how much is too much?
Learn about the recommended daily intake of calcium from food & supplements and why taking too much can be harmful. Also, learn about the forms of calcium that are available and which are best.

CL Answer
Can biotin supplements really strengthen nails or improve hair? Can other supplements help?
Learn more about strengthening brittle nails with vitamin B-7 (biotin), based on clinical evidence.

News Release
May 16, 2022
Best Calcium and Bone Health Supplements Revealed by ConsumerLab Tests
White Plains, New York, May 16, 2022 — Calcium is essential for maintaining bones and plays critical roles in nerve transmission, muscle contraction, and the cardiovascular system.
News Release
April 13, 2022
ConsumerLab Tests Vitamin D Supplements and Cautions About Dose
White Plains, New York, May 12, 2022 — Getting sufficient vitamin D is essential for healthy bones and has a wide range of other health benefits. It's no wonder that it has been the #1 supplement in popularity year-after-year in ConsumerLab's survey of supplement users.
Recalls & Warnings
July 11, 2017
FDA Warns Dr. Carolyn Dean of Drug Claims Made for Magnesium, Calcium & Other Mineral Supplements
On June 27, 2017, the FDA issued a Warning Letter to Dr. Carolyn Dean of New Capstone, Inc.
Recalls & Warnings
March 15, 2013
Maker of Liquid Supplements Warned For Manufacturing Violations and Drug Claims
On January 31, 2013, the FDA issued a warning letter to Liquid Health, Inc.
News Release
April 02, 2022
ConsumerLab Discovers Less Vitamin K Than Listed in Some Supplements
White Plains, New York, May 16, 2022 — Vitamin K plays an important role in proper blood clotting and calcium utilization in bones and is a common ingredient in bone health supplements.
News Release
March 11, 2022
Best Magnesium Supplements Identified by ConsumerLab
White Plains, New York, May 12, 2022 — Nearly half the U.S. population does not get adequate amounts of magnesium and can benefit from increasing magnesium intake from foods or supplementation.
Recalls & Warnings
February 28, 2017
Multivitamin Recalled Due to Allergen Risk
On February 14, 2017, Licata Enterprises issued a recall of all lots of its Supreme One and Theravits 100 multiple vitamins because they contain fish liver oil but is labeled as containing "no common allergens.
Recalls & Warnings
February 16, 2017
U.S. Department of Justice Files Permanent Injunction Against Supplement Manufacturer
On February 16, 2017, the United States Department of Justice filed a complaint against Pick and Pay, Inc.
Recalls & Warnings
May 14, 2014
Maker of Mood, Smoking Cessation Supplements and More Warned for Violations, Drug Claims
On April 17, 2014, the FDA issued a warning letter to CDJ Holding, Incorporated, d.b.a.
Recalls & Warnings
June 13, 2013
Seller of Cardio, Immune, Greens Supplements and More Warned For Drug Claims
On May 29, 2013, the FDA issued a warning letter to dietary supplement company Nature's Answer, following a review a the company's website, www.naturesanswer.