SEARCH RESULTS for "Vitamin K"

Vitamin K Supplements Reviewed By ConsumerLab.com

Vitamin K Supplements Review (Including Calcium and Vitamin D)

Learn what to look for when choosing the best vitamin K supplements. Review tests of quality and cost comparisons for popular brands. Learn the difference between vitamin K1 and K2, and forms of K2 including MK-7 and MK-4. Get more information on dosage, safety and side effects. Find out which one passed the test.

Other Related Product Reviews Found:
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1.Nattokinase Supplements Review  *
2.Multivitamin and Multimineral Supplements Review  *
3.Vitamin D Supplements Review (Including Calcium, Vitamin K, Magnesium)
4.Magnesium and Calcium-Magnesium Supplements Review
5.Green Tea Review: Supplements, Brewable, Matcha, and Bottled  *
6.Calcium Supplements Review
7.Recommended Daily Intakes and Upper Limits for Vitamins and Minerals | Consumerlab.com
8.Maca Supplements Review  *
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10.Vitamin E Supplements Review  *
11.Fish Oil and Omega-3 and -7 Supplements Review (Including Krill, Algae, Calamari, and Sea Buckthorn)  *


Encyclopedia Articles Found: (Articles do not mention brands)
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1.Vitamin K
2.Amoxicillin
3.Cephalosporins
4.Primidone
5.Antibiotics (General)
6.Phenobarbital
7.Osteoporosis
8.Phenytoin
9.Warfarin
10.Carbamazepine
... More Results


ConsumerLab.com Answers to Questions Found:
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1.I'm considering taking vitamin K for my bones, but I take blood thinner (anti-coagulant) medication. Is there a problem taking both?
2.Have you tested vitamin K supplements with MenaQ7? Is this a good source of vitamin K if I need to avoid soy?
3.If vitamin K absorption appears to be reduced by other fat-soluble vitamins, like vitamin D, why do some "bone health" supplements combine them? Should they be taken separately?
4.What is the difference between forms of vitamin K2?
5.Can vitamin K2 really help decrease calcium in the arteries?
6.Can vitamin supplements strengthen brittle nails?  (in Comments)
7.How much calcium from supplements is too much?  (in Comments)
8.I take warfarin (Coumadin), an anticoagulant drug. Are there supplements I should avoid, or be taking, due to this drug?
9.Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins?
10.Is it true that green tea can interact with blood-thinning medications like warfarin (Coumadin) or clopidogrel (Plavix)?
11.Do any supplements help prevent or treat osteoporosis?
12.Is it true that overdoses of vitamin D only occur when you don't get enough vitamin K?
13.Which supplements reduce the risk of stroke? Which increase the risk of stroke?
14.Do any supplements improve balance or reduce the risk of falls?  (in Comments)
15.I am having trouble sleeping. I regularly take a multivitamin, fish oil, magnesium, calcium, vitamins D and K, and a protein supplement. I also take a low-dose blood pressure medication. Could any of these supplements be causing my insomnia?
16.I've heard it's best to take fat-soluble supplements, like CoQ10, curcumin, and vitamin D, with fats or oils to increase absorption. Would taking them with a fish oil capsule be enough?
17.Are there any supplements I should avoid when taking an antibiotic? Are there any that may be helpful?
18.Which vitamins and minerals should be taken together or separately?
19.Which "whole food" multivitamins are only from foods and don't include synthetic vitamins? What can you tell from the labels of these products: Complete Foods Nutrition-OctoMega MultiVitamin; Sunwarrior Raw Vitamins; Garden of LIfe-MyKind Organics; Nature's Brands-PhytoVitamins; Doctors' Research MultiVitamin?


Clinical Updates Found:
2017 How To Get Vitamin K From Food (06/08/2017)
2014 Vitamin D & Calcium for Diabetes Due to Pregnancy (07/12/2014)
 Vitamin D May Help Lower Blood Pressure (06/24/2014)
 Too Much Calcium for Some? (06/20/2014)
2013 Low Dose of Vitamin K Helps Bone (03/31/2013)


Recalls and Warnings Found:
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1.FDA Warns Maker of Sublingual Melatonin and Progesterone Cream (10/25/2016)
2.Seller of Sublingual Vitamins Warned for Drug Claims (10/18/2016)
3.Seller of Herbal Formulas for Cholesterol, Prostate & More Warned For Drug Claims (09/07/2016)
4.Seller of Fertilix Warned By FDA (08/05/2016)
5.Seller of Whey Protein Warned for Manufacturing Violations, Drug Claims (08/02/2016)
6.Maker of "Super Food" Warned for Manufacturing Violations (07/23/2016)
7.Seller of GlucoCor Warned for Drug Claims (07/23/2016)
8.Seller of Joint Health, Omega-3 Supplements & More Warned for Manufacturing Violations, Drug Claims (05/24/2016)
9.Seller of Vision Supplements Warned for Drug Claims (05/15/2016)
10.Maker of Bone Health, Prostate, Cholesterol Supplements and More Warned for Drug Claims (03/29/2016)
11.Maker of Calcium and Vitamin C Supplements Warned for Manufacturing Violations (03/08/2016)
12.Seller of Echinacea Warned Manufacturing Violations, Drug Claims (03/08/2016)
13.Seller of Turmeric, Milk Thistle and More Warned for Manufacturing Violations, Drug Claims (02/06/2016)
14.Seller of Weight and Enhancement Supplements Warned For Drug Claims (02/03/2016)
15.Seller of CoQ10, SAM-e, Vitamin D, and More Warned for Manufacturing Violations, Drug Claims (01/26/2016)
16.Maker of Growth Hormone, Testosterone Booster Warned for Manufacturing Violations, Misbranding (01/20/2016)
17.Seller of Aloe, Moringa Supplements Warned for Manufacturing Violations, Drug Claims (01/20/2016)
18.Seller of Liver, Lung Support Supplements Warned for Drug Claims (01/16/2016)
19.Maker of Vitamin K, Vitamin A & More Warned for Manufacturing Violations, Drug Claims (12/29/2015)
20.Seller of Speech Disorder Supplement Agrees to Settle FTC Charges of Deceptive Claims (01/13/2015)
21.Seller of Prostate, Heart Supplements and More Warned for Drug Claims (11/06/2014)
22.Probiotic Recalled Due To Undeclared Soy (03/21/2013)


News Releases Found:
2017 Best Vitamin K Supplement? ConsumerLab.com Tests Popular Products and Reveals Its Top Picks (06/01/2017)
 ConsumerLab.com Tests Reveal the Best Calcium Supplements (05/26/2017)
 Best Vitamin D? ConsumerLab.com Tests Popular Vitamin D Supplements and Reveals Its Top Picks (05/17/2017)
 Vitamin D Supplements Maintain Top Spot in Popularity, as Probiotics Surpass Multivitamins to #4 Behind Fish Oil and CoQ10 in Latest ConsumerLab.com Survey (02/24/2017)
2016 ConsumerLab.com Helps Consumers Make Sense of the FDA's Updated Daily Values (DV) for Vitamins and Minerals (07/27/2016)
2015 Best Supplements for Bone Health? ConsumerLab.com Finds Products with Multiple Ingredients More Likely to Contain Wrong Amounts (04/28/2015)
 Use of Magnesium and Probiotics Rise, Multivitamins and Weight Loss Supplements Fall, According to ConsumerLab.com Survey (02/28/2015)
2013 ConsumerLab.com Reports Problems with Some Vitamin D and Calcium Supplements -- Wrong Amounts of Vitamin D, Pills Which Don’t Break Apart, and Lead Contamination Found (02/11/2013)
2012 Fish oil and multivitamins most popular supplements in ConsumerLab.com survey -- Internet most popular place to shop (02/05/2012)
2011 Problems discovered with eight vitamin D supplements in study by ConsumerLab.com -- Incorrect amounts of vitamins, lead contamination, and labeling infractions identified. (04/26/2011)
 Vitamin D use increased 52% in past two years according to ConsumerLab.com survey of supplement users -- Fish oil continued to surpass multivitamins as most popular supplement and Internet was most common place to buy supplements (01/31/2011)
2009 ConsumerLab.com reports deficiencies in some supplements containing calcium, vitamin D, or vitamin K -- Focus on bone health supplements and new uses for vitamins D and K (03/10/2009)
2008 Tests of zinc supplements by ConsumerLab.com show only some provide dosage proven to shorten colds, reduce eye disease.  Lead contamination found in one product. (12/09/2008)
 Adulteration Suspected with Some "Memory" Supplements -- Few Ginkgo and Huperzine Supplements Pass ConsumerLab.com Tests; Quality High for Acetyl-L-Carnitine (11/18/2008)
 Tests reveal quality problems with vitamin A supplements -- New ConsumerLab.com report focuses on vitamin A, including beta-carotene and cod liver oil (10/28/2008)
 ConsumerLab.com finds melatonin supplements range in strength but ingredient quality is high (10/02/2008)
 ConsumerLab.com's tests of menopause supplements reveal wide range in strength and quality; mislabeling and contamination discovered -- Soy and red clover isoflavones, black cohosh, and progesterone products tested (09/17/2008)
 ConsumerLab.com Find Fifty Fish Oil Supplements Pass Quality Testing -- New Report Helps Consumers Choose Among Pills, Liquids, Foods and Beverages with Omega-3 Fatty Acids (EPA and DHA) (08/05/2008)


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