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.
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.