Magnesium Glycinate also helped me with constipation. I also don't get headaches anymore. Personally, I like the liquid tabs. https://www.amazon.com/Magnesium-

Magnesium Glycinate also helped me with constipation. I also don't get headaches anymore. Personally, I like the liquid tabs. https://www.amazon.com/Magnesium-Glycinate-ActivGels-Kal-Softgel/dp/B00JWZTRNA/ref=sr_1_1_s_it?s=hpc&ie=UTF8&qid=1505978950&sr=1-1&keywords=KAL+-+Magnesium+Glycinate+gel https://www.amazon.com/Magnesium-Glycinate-ActivGels-Kal-Sof...