Meet the THORNE - Theanine - 200 mg of L-Theanine - Supports a Healthy by THORNE — a product built with performance in mind.
For intra-workout or recovery support, this BCAA supplement has you covered.
THORNE's BCAA supplement supports muscle recovery and reduces exercise-induced fatigue.
NSF Certified for Sport — tested for banned substances and label accuracy, making it a trusted choice for competitive athletes.
Formulated to help sustain energy levels throughout your day or workout.
Suitable for vegetarians, so you can supplement confidently on a plant-inclusive diet.
A premium-tier product for those willing to invest in top-shelf formulations.
Available at $68.00 — a competitive price point for the US market.
A well-rounded offering from THORNE that checks the right boxes for most users.
The brand behind this product — their story and what they stand for.
Physician-trusted supplement brand used by elite athletes and partnered with Mayo Clinic. NSF Certified for Sport.
Understand which fitness goals this product is best suited for.
Energy & Performance
Designed to fuel intense workouts and sustain energy levels throughout your training session.
General Health
A solid addition to your daily wellness routine, supporting overall nutrition and vitality.
Muscle Gain
Supports muscle growth and recovery when combined with resistance training and a protein-rich diet.
Track how the price has changed over the last 90 days on Amazon.com.
Step-by-step usage instructions so you get the most out of every serving.
Mix 1 scoop with 400–500ml of cold water.
Sip during your workout (intra-workout) or immediately after training.
Can also be taken between meals on rest days for recovery support.
If you already consume enough protein (1.6–2g/kg body weight), BCAAs may offer diminishing returns.
See how this product compares to similar options in its category.
| This Product | Optimum Nutrition | Nutricost | Nature's Trove | |
|---|---|---|---|---|
| Price | $68.00 | $49.99 | $15.95 | $9.98 |
| Per Serving | - | - | - | - |
| Servings | — | — | — | — |
| Lab Tested | ✓ | ✓ | ✓ | ✗ |
| Rating | 4.7 ★ | 4.6 ★ | 4.6 ★ | 4.6 ★ |
Common questions about this product — answered clearly and honestly.
Yes, this product is vegetarian-friendly. It does not contain any non-vegetarian ingredients.
Yes, this product has been lab tested by NSF Certified for Sport. Third-party lab testing verifies that the product contains what the label claims, giving you confidence in its quality and purity.
Optimum Nutrition
Optimum Nutrition Amino Energy - Pre Workout with Green Tea, BCAA, Amino Acids, Keto Friendly, Green Coffee Extract, Energy Powder - Concord Grape, 65 Servings (Packaging May Vary)
Nutricost
Nutricost N-Acetyl L-Cysteine (NAC) 600mg, 180 Capsules - Non-GMO, Gluten Free
Nature's Trove
Nature's Trove L-Theanine 200mg 120 Vegetarian Capsules
NOW Foods
NOW Foods Supplements, (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino Acid, 100 Tablets
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