|Photo by FDA.|
The warning letter doesn't add much to what we learned back in September when Miracle Diet 30 was recalled. Back then, it was disclosed that FDA tests on the supplement found phenolphthalein in samples of the weight loss supplement.
Phenolphthalein is a laxative once widely used in over-the-counter medications but was pulled from the US market after it was deemed a "known carcinogen" with a "high probability" of causing serious health problems, especially in long-term users.
As far as I can tell, Rene Castillo has not publicly commented on the release of the FDA's warning letter.