Sports Research brings the Sports Research Double Strength L-Theanine Supplement - to your fitness arsenal — here's what sets it apart.
If recovery is a priority, this BCAA supplement offers a focused amino acid profile.
Sports Research's BCAA supplement supports muscle recovery and reduces exercise-induced fatigue.
Third-party tested, so you can have confidence in the label claims and purity.
Formulated to help sustain energy levels throughout your day or workout.
Suitable for vegetarians, so you can supplement confidently on a plant-inclusive diet.
Priced competitively, offering solid value without cutting corners on quality.
Available at $19.95 — a competitive price point for the US market.
A well-rounded offering from Sports Research that checks the right boxes for most users.
The brand behind this product — their story and what they stand for.
Clean supplement brand known for collagen peptides and omega-3s. Products are third-party tested and non-GMO verified.
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 | NOW Foods | Optimum Nutrition | Xtend | |
|---|---|---|---|---|
| Price | $19.95 | $6.92 | $21.49 | $24.92 |
| Per Serving | - | - | - | - |
| Servings | — | — | — | — |
| Lab Tested | ✓ | ✓ | ✓ | ✓ |
| Rating | 4.5 ★ | 4.6 ★ | 4.6 ★ | 4.5 ★ |
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 Third-party tested. Third-party lab testing verifies that the product contains what the label claims, giving you confidence in its quality and purity.
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Optimum Nutrition Amino Energy Powder Plus Focus, with BCAA, Electrolytes, and Caffeine, Watermelon, 30 Servings (Packaging May Vary)
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Xtend Original BCAA Powder, 7g BCAAs and 2.5g L-Glutamine for Muscle Recovery Hydration and Lean Muscle, Sugar Free Intra and Post Workout Drink with Electrolytes, Watermelon Explosion, 30 Servings
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BodyHealth PerfectAmino (150 ct) Easy to Swallow Tablets, Essential Amino Acids Supplement with BCAAs, Vegan Protein for Pre/Post Workout & Muscle Recovery with Lysine, Tryptophan, Leucine, Methionine
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