LEF, is good. More expensive though. They are the exception, but not the rule, when researching.
Some of their labeling of supplements is dicey. They will put milligrams on the label, of something at a number clearly...then on the ingredients listing on the other side of the bottle you find out that there is actually less of the product really in it...because of the chemistry.
Here is an example:
http://www.lef.org/Vitamins-Suppleme...-lipoic%20acid
R-lipoic stablized at LEF 300mg on the front label, but in reality
provides only 240mg of R-lipoic acid.
Doctor's Best-- same product:
200mg on label ...... and the details for this is:
derived from 250mg of r-lipoate So in reality you think you are getting 200mg/capsule and you are.
http://www.iherb.com/Doctor-s-Best-B...gie-Caps/43211
So you see many people don't read all of the labeling and when buying LEF would think they are getting 300mg per cap when in reality they are getting 240mg
The Doctor's Best type of labeling I think is more honest.
And over the years, this way of presenting a product is becoming more common. This enables the consumer to know exactly what they are getting.
This problem shows up with minerals and their labeling as well.
Quality places will tell you the "elemental" value of say, magnesium in the product. Less careful places tell you the final weight only and let you guess how much you are getting.
Example: magnesium malate 1000mg contains 150mg of magnesium and 850mg of malic acid. Some labels will not break that down into the elemental magnesium amount, and then people think taking 1000mg of this would be 1000mg of magnesium. We see this also on magnesium oxide products....
people think 400mg of magnesium is in a labeled tablet of 400mg of magnesium oxide. This confusion is very common.
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