Magnesium Stearate

J

j.

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Magnesium stearate is found in many supplements. Is it bad or neutral? What's Ray Peat's opinion about it?
 
J

j.

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My experience suggests it might be one of the least evil additives. I take Life Extension Pregnenolone, which has it, and I don't react badly to it, while I seem to react badly to a lot of supplements.
 

4peatssake

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j. said:
Magnesium stearate is found in many supplements. Is it bad or neutral? What's Ray Peat's opinion about it?
Personally, I don't think it's all that bad j - based upon this comment from RP about the previous formula for Amour thyroid.

Ray Peat said:
Armour thyroid, USP, was the standard thyroid used widely for about 80 years. Since ownership of the product name was bought by Revlon and then a series of other companies, I'm not sure anything of the simple original formula remains; maybe magnesium stearate, I haven't looked lately.
 

Dan Wich

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4peatssake said:
Personally, I don't think it's all that bad j

I tend to agree: hopefully I haven't caused any paranoia by listing it in the "bad" column on my site. I do that more as "playing it safe" than thinking it's terribly toxic.
 

Gabriel

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After all, it is just magnesium + stearic acid (C18:0), a saturated fatty acid.
 

Dan Wich

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Gabriel said:
After all, it is just magnesium + stearic acid (C18:0), a saturated fatty acid.

To be fair to the critics of magnesium stearate, I think they generally don't complain about the substance itself, but rather what might come along with the production process (potentially GMO cottonseed oil, along with something about metal catalysts that I've never fully understood :lol:).
 

4peatssake

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j. said:
Ray Sahelian, author of a book about pregnenolone, has some thoughts on the safety of magnesium stearate.

Link
Dan mentions Sahelian and a few others on both sides of this issue in a pretty comprehensive article on his website.

Toxinless
 

tomisonbottom

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Ray Peat is quoted as saying:

"Most people don't have allergic reactions to the rice and magnesium stearate."
 
J

j.

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Link

I don't believe it though.

 

Parsifal

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I've read that it is not an organic mineral (so the body cannot really use it because it is not chelated to a chaperone protein) and that it gives you diarrhea?
 

equipoise

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BUMP, sorry for the necro.

Whats the final verdict on Mg sterate? Just got my niacinamide from NOW foods and wondering about it. Probably safe yeah?
 
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