The nutrient you didn't know you were missing - NYT, 12/8/16 - "Did you misplace your keys again or forget to call someone back? Choline plays a role in processing and storing memories, functions that are critical for learning and knowledge retention. In animal studies, having enough choline appears to have an impact on activating parts of the brain responsible for memory ... Choline intake appears to have an inverse relationship with homocysteine levels, spurring further investigation into the role choline may play in brain health in older adults ... Choline helps move fat out of the liver, helping prevent nonalcoholic fatty liver disease ... In animal models, when muscles don't get enough choline, muscle cells start to break down. The movement of fat out of the liver to be used as energy also decreases when choline levels are too low ... Wallace says most people will need a choline supplement. "According to the 2015 Dietary Guidelines for Americans, modeling of different healthy diet patterns found people would still fall short of their daily choline needs."" - See citicholine at Amazon.com.
There's no magic bullet for fitness, but magnesium comes close - NYT, 11/17/16 - "Ensuring my son has healthy levels of this mineral is not going to secure his spot on the eighth-grade basketball team, but it will help him sleep well, boost his mood and lower his stress; make it less likely that his muscles cramp; and more likely that he is flexible and energetic. These are good outcomes any week of the year" - See Magtein at Amazon.com.
I saw these at Costco and saw a review (I think on Engadget) but I can't find it. Impressive picture on the one I saw at Costco. I think Costco was the same price but I noticed that if you play around with the supplier at Amazon you can save the sales tax:
Samsung UN65KS8500 Curved 65-Inch 4K Ultra HD Smart LED TV (2016 Model)