D-aspartic acid may boost testosterone levels in some people, but the evidence is mixed. This amino acid is found in food like spinach and beets, and is also available as a supplement. D-aspartic acid ...

Magnesium helps your body absorb vitamin D better. Magnesium and vitamin D together may help reduce anxiety symptoms. It is important to talk to a health professional before choosing supplements.

The twin-engine L-1011 was studied long before ETOPS reshaped aviation. Here’s why Lockheed’s TwinStar concept never flew. The Lockheed L-1011 TriStar is remembered as one of the most technologically ...

Daniel comes to Simple Flying with a business focused approach to the aviation world. Daniel enjoys analyzing strategy and how companies move against each other to gain a step ahead in the skies.