L-Theaninenone

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Serving Size: 1 Capsule(s) · 1 per day

Not Present

• 

  Metabolic Maintenance L-Theanine 200mg 120 Capsules

  iHerb4.7(90)

  $70.00
• 

  Metabolic Maintenance Ashwagandha Plus

  iHerb4.7(118)

  $40.00
• 

  Metabolic Maintenance L-Theanine 100 mg 60 Capsules

  Hasan Mirza, MD4.5(2)

  $35.00
• 

  Metabolic Maintenance L-Theanine 200 mg

  biohelp.me

  $70.00
• 

  METABOLIc Maintenance Anxiety Control 90 Capsules

  Blue Sky Vitamin4.8(147)

  $36.00
• 

  MetaCalm Metabolic Maintenance Capsules

  Target4.7(43)

  $44.00
• 

  Sports Research L-Theanine Suntheanine Softgels

  iHerb4.7(1100)

  $38.97
• 

  Spring Valley L-Theanine Capsules 100 mg 100 Count

  Walmart4.4(307)

  $6.43Lowest

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• GNC

  4.5 (37)

  Vitamin & supplements store

  1345 B Oak Ridge Turnpike, Oak Ridge, TN 37830

  Directions(865) 482-6161

• The Vitamin Shoppe

  4.6 (189)

  Vitamin & supplements store

  7833 Kingston Pike, Knoxville, TN 37919

  Directions(865) 670-8927

• Eddie's Health Shoppe

  4.7 (122)

  Vitamin & supplements store

  8025 Kingston Pike, Knoxville, TN 37919

  Directions(865) 693-4909

• Nutrishop Knoxville

  4.9 (170)

  Vitamin & supplements store

  107 Moss Grove Blvd, Knoxville, TN 37922

  Directions(865) 247-4174

• Natural Energy Nutrition Center

  4.7 (50)

  Vitamin & supplements store

  752 S Charles G Seivers Blvd, Clinton, TN 37716

  Directions(865) 457-4285

• Walgreens

  3.4 (189)

  Vitamin & supplements store

  1299 Oak Ridge Turnpike, Oak Ridge, TN 37830

  Directions(865) 482-4828

• Nature's Crossing Health And Beauty

  4.9 (102)

  Herbal medicine store

  8903 Oak Ridge Hwy #102, Knoxville, TN 37931

  Directions(865) 896-4040

• The Vitamin Shoppe

  4.2 (70)

  Vitamin & supplements store

  10950 Parkside Dr, Knoxville, TN 37934

  Directions(865) 671-1053

• l-Theanine regulates glucose, lipid, and protein metabolism via insulin and AMP-activated protein kinase signaling pathways

  L Lin, L Zeng, A Liu, Y Peng, D Yuan, S Zhang, Y Li… - Food & Function, 2020 - pubs.rsc.org

  … metabolism remains unknown. This study aims to investigate the effects of l-theanine on glucose, lipid, and protein metabolism … Compared to the control group, l-theanine increased the …

  202075 citations

• L-theanine: A unique functional amino acid in tea (Camellia sinensis L.) with multiple health benefits and food applications

  MY Li, HY Liu, DT Wu, A Kenaan, F Geng, HB Li… - Frontiers in …, 2022 - frontiersin.org

  … Due to the unique characteristics and beneficial functions, L-theanine has potential … L-theanine content in teas, the main health benefits and related molecular mechanisms of L-theanine…

  2022171 citations

• Magnesium-L-theanine complex protects against liver and intestinal damage caused by chronic variable stress

  K Sahin, M Yabas, C Orhan, B Er, R Ozmen… - British Journal of …, 2026 - cambridge.org

  … Here, we investigate the protective effects of the magnesium-L-theanine (Mg-T) combination on chronic variable stress (CVS)-induced liver and intestinal damage. Fifty-six rats were …

  20261 citations

• L-theanine, unique amino acid of tea, and its metabolism, health effects, and safety

  D Türközü, N Şanlier - Critical reviews in food science and nutrition, 2017 - Taylor & Francis

  … the L-theanine will bring light on the further studies regarding its health effects. The lag time of 25–100 mg doses taken from L-theanine as rich tea and from biosynthetic L-theanine as …

  2017250 citations

• The Emerging Role of Citrulline and Theanine in Health and Disease: A Comprehensive Review

  X Lv, C Chen, Y Liang, Y Song, J Liu, W Chen, H Li - Nutrients, 2025 - mdpi.com

  … -citrulline and L-theanine were selected for this review due to their unique metabolic pathways, dietary … nitric oxide (NO) bioavailability, impacting cardiovascular and immune health [11]. …

  20254 citations

• L-Theanine ameliorates high-protein diet-associated hepatic glucose and lipid metabolic alterations by promoting fatty acid β-oxidation and suppressing lipid …

  S Liu, L Li, K Yao, L He, Y Yuan, Y Tan, F Yin… - Current Research in …, 2026 - Elsevier

  … Effects of L-theanine on hepatic glucose and lipid metabolism in rats fed a high-protein diet (n = 6). PCA in (A) pos and (B) neg mode. Differential metabolites between P20+L400 and …

  2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-08-23. DSLD Label ID: 24917. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.