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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What a delightful report. Hibiscus is dirt cheap on the Internet. I have no experience with it, so I'd suggest following label directions and monitoring yourself. If your blood sugar responds, you can gradually reduce whatever other drug(s) you are taking for blood sugar control (you may want to work with your doctor on this, though most diabetics know how to control their medication). And, it seems you'll be doing your heart a favor at the same time.