Episode
Episode 511: All about L-theanine
- Podcast
- Naturally Nourished
- Published
- Sep 7, 2026
- Duration seconds
- 1799
- Processing state
not_requested
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Summary
Can green tea boost your memory? Is the matcha craze worth the hype? In this episode, Ali Miller RD shares all about L-theanine an amino acid for stress resilience and tolerance with food-as-medicine and supplement support. She shares clinical research studies on the role of L-theanine in mental health and cognitive enhancement as well as physiological stress reduction (lower cortisol and secretory IgA) and improved sleep quality. Also in this episode, Ali unpacks how nervine and adaptogenic herbs can support stress resilience and tolerance while supporting memory and learning. She shares about the reformulation of Calm and Clear and how trace minerals are now present in each capsule with sea-derived magnesium sourcing. Leave with food-as-medicine ways to consume matcha, understanding of clinical dosage of L-theanine for results, and why stress regulation is key in your wellness. Links in this episode: Last call for Early Bird savings on Mentorship Naturally Nourished Academy Mentorship Calm and Clear has been reformulated! Check it out and use CALM15 to save (limited time offer) My favorite matcha Matcha Green Smoothie Matcha Chia Parfait Slice and Bake Matcha Almond Cookies Research studies discussed: l-Theanine, an amino acid in green tea, attenuates beta-amyloid-induced cognitive dysfunction and neurotoxicity: reduction in oxidative damage and inactivation of ERK/p38 kinase and NF-kappaB pathways - PubMed How does the tea L-theanine buffer stress and anxiety - ScienceDirect Effects of l-Theanine on Cognitive Function in Middle-Aged and Older Subjects: A Randomized Placebo-Controlled Study - PMC Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial - PMC L-theanine, a natural constitu…