Boost Your Nitric Oxide Levels With L-Arginine, Right? Wrong!
Why Arginine Is Nearly Useless For People Over 40... Plus What MIT Researchers Say You Should Be Doing Instead
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I think taking a vitamin D supplement is a must for everyone over 40. However, you need more than the 700 IU used in the study to really make a difference. Take a 5,000 IU vitamin D3 tablet daily. Don't be afraid of bogus claims of vitamin D toxicity at these modest doses. It just doesn't happen. You can order a 5,000 unit tablet by following this