I generally recommend supplements based on an individuals personal needs. There are a few companies that produce superior products due to their sourcing and manufacturing standards. The ones I have researched and recommend include:
1. USANA Health Sciences http://shop.usana.com/shop/cart/Landing
For ordering please use ID number: 2391889
2. Health Force Nutritionals www.healthforce.com
Fabulous raw and organic greens
3. Natural Vitality www.naturalvitality.com
Magnesium or magnesium with calcium for relaxation, stress reduction and deeper sleep.