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Comment · Tue, June 13, 2017 · Ceretropic & Nootropics Depot

Anybody have a reliable L-theanine bulk powder source.

What they were answering

Rogermcfarley · -1 points

Most bulk Theanine is racemic, meaning you're not truly getting pure L-THEANINE. I don't know of a bulk source that isn't racemic. Myprotein L-Theanine is poor, I still have some left, it doesn't compare to Jarrow L-Theanine capsules for example. This thread goes in to more detail.

https://www.reddit.com/r/Nootropics/comments/2n09v2/its_there_a_difference_between_suntheanine_and/

u/MisterYouAreSoDumb · Ceretropic & Nootropics Depot

That's actually not true. We went out and purchased a polarimeter for our lab to verify our L-theanine was enantiopure. The people who sell higher priced Suntheanine want you to think others are racemic, but that's just untrue.

http://imgur.com/a/5jKNI

Suntheanine's specific rotation specs are 7.7°-8.5° to be enantiopure L-theanine. Our bulk L-theanine is 7.98°. We verified all the results with Sigma Aldrich reference standards as well.

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