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Brain FX may want to consider supplementation. Most people need around 5,000 I.U. a day to reach the optimal level of 50-70 ng/ml as determined by a blood test. If you supplement, opt for vitamin D3, which is the natural form, and take it with vitamin K2, with at least 100 mcg of menaquinone-7 (MK-7). The combination of D3 and K2 will make sure that calcium is deposited in the bones instead of the arteries. 6. Think Positive And Stimulate Your Brain Stress and anxiety kill existing brain neurons and stop new neurons from being created. Research has shown that positive thinking speeds up the formation of cells and dramatically reduces stress and anxiety. Hence, catch yourself when your negative thoughts surface,  https://www.healrun.com/brain-fx/