
Stacy Sims on L-Theanine
4 episodes · 4 references · 2025–2026
Based on dated public statements, not confirmation of use today.
Stacy Sims has reported taking L-Theanine. Referenced across 4 episodes with 4 total references.
View full L-Theanine page with research, safety, and pricing →“I use theanine, L-theanine... I really prefer theanine over magnesium because it is a non-protein amino acid that is directly related and influenced by part of the GABA system.”
Dr. Stacy Sims: How Women Should Train, Eat & Recover for Long-Term Health | The Best of 2025
“I really prefer theanine over magnesium because it is a non-protein amino acid that is directly related and influenced by part of the GABA system in our brain.”
Supplements I Recommend for Women (and How to Use Them Safely)
“...looking at using things like L-Theanine because this works with the brain's GABA system to improve parasympathetic response.”
Should Women Eat Before Morning Exercise? Cortisol Spike Explained
“We can look at different supplements that we can use that are going to stimulate the GABA system of the brain, and that's what L-theanine does. It is a non-protein amino acid that is used by the brain to activate more of the alpha waves, which is a parasympathetic drive.”
Why Don’t I Recover Like I Used To? Recovery, Hormones and Perimenopause
$0.07/ct
$17.95 total
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$11.99 total
$0.17/ct
$19.95 total
$0.37/ct
$22.00 total
$0.76/ct
$68.00 total
$0.83/ct
$49.95 total
$1.56/ct
$124.95 total


