Wholesale cost from Ford on a radiator for a 2006-2009 Explorer runs as high as $470 for the part alone, and labor costs can take replacing the unit much, much higher.
SAM-e, which is sold as a dietary supplement, is either made from fermented yeast or totally synthesized. 1  SAM-e is produced by methionine (a sulfur-containing amino acid) and ATP (adenosine triphosphate) in the body.
There is little difference between the natural and synthetic forms of most vitamins. But with vitamin E, natural is better. On a supplement label, natural vitamin E is listed as d-alpha tocopherol, d-alpha tocopheryl acetate, or d-alpha tocopheryl succinate. In contrast, synthetic forms of vitamin E are labeled with a dl- prefix. Alpha-tocopherol is the most biologically active form of vitamin E, and its natural form consists of one isomer.