Thorne Research

Amino Complex Lemon Flavored

$56.00

SIZE: 30 packets

*Free shipping applies to orders shipped within the Lower 48 States.


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The Promise

Product identity, formulation, and quality Essential amino acid powder with sport-grade certification

Thorne Amino Complex — lemon-flavored stick packs delivering a full EAA profile with a research-backed BCAA ratio and NSF Certified for SportĀ® purity.*

Identity

Amino Complex Lemon Flavored, powder in single-serve 7.8 g stick packs (30 servings).

Principal ingredients & forms

Provides a full spectrum of essential amino acids including L‑Leucine, L‑Isoleucine, L‑Valine, L‑Lysine (as L‑Lysine Chloride), L‑Threonine, L‑Histidine, L‑Cystine, L‑Phenylalanine, L‑Methionine, L‑Tyrosine, L‑Tryptophan.

Key formulation feature

Includes branched‑chain amino acids (BCAAs) in a clinically validated 2:1:1 leucine:isoleucine:valine ratio.*

Dietary & quality facts

Sugar‑free, lemon flavor, contains stevia (rebaudioside A) and turmeric powder; NSF Certified for SportĀ® for third‑party testing.

Why It Works

Distinct formulation details Specific amounts, ratios, and ingredient forms you can verify on the label

Quantified amino acid content and label facts that explain how the product is composed.

01

Leucine dose

Each serving contains 1.25 g L‑Leucine.

02

BCAA 2:1:1 ratio

L‑Leucine 1.25 g : L‑Isoleucine 625 mg : L‑Valine 625 mg — delivered in a 2:1:1 ratio.

03

Full EAA profile

Also supplies L‑Lysine 650 mg (as L‑Lysine Chloride), L‑Threonine 350 mg, and smaller amounts of other EAAs per serving.

04

Caloric & carb content

Each stick pack provides 25 calories and 1 g total carbohydrate (<1% DV).

Reviews

Customer Reviews

Your Journey

How to use, store, and note precautions Clear serving directions, format, and label warnings

Practical usage and safety information exactly aligned with the product label.

Serving

Prepare one stick pack

Mix 1 stick pack (7.8 g) with at least 8 ounces of water.

Timing & frequency

Use up to twice daily

Take one stick pack one to two times daily or as recommended by your health‑care practitioner.

Warnings & interactions

Contraindications and pregnancy/nursing warning

Product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients. If pregnant or nursing, do not use this product. There are no known adverse interactions or contraindications at publication date.

Format & extras

Single‑serve powder composition

Single‑serve lemon stick packs contain flavor, citric acid, rebaudioside A (from stevia), and turmeric powder.

Product education

Amino Complex: A Foundational EAA & BCAA Formula for Peak Performance

Thorne’s Amino Complex is an elite, NSF Certified for SportĀ® blend of essential amino acids (EAAs) designed to fuel muscle growth, optimize recovery, and enhance energy production. This formula provides the fundamental building blocks for muscle protein synthesis in a refreshing, lemon-flavored powder. It features a clinically validated 2:1:1 ratio of branched-chain amino acids (BCAAs). As a result, it is a clean, effective, and sugar-free choice for athletes or anyone looking to maximize their training benefits.*

How It Works: The Building Blocks of Muscle and Energy

Amino acids are the foundation of protein and are essential for countless physiological functions. This formula provides a comprehensive profile of EAAs, which the body cannot produce on its own, with a special emphasis on BCAAs.

Stimulating Muscle Protein Synthesis
The BCAAs—leucine, isoleucine, and valine—are crucial for regulating muscle metabolism. Leucine, in particular, acts as a powerful signaling molecule that initiates the process of repairing and building new muscle tissue. By providing a potent dose in the research-backed 2:1:1 ratio, Amino Complex kick-starts the recovery process. This helps to reduce muscle soreness and promote the growth of lean muscle mass.*

Enhancing Energy and Endurance
In addition to their role in recovery, amino acids can also be used as a direct fuel source by the muscles during prolonged exercise. This helps to prevent muscle breakdown (catabolism) and preserve glycogen stores, which can delay the onset of fatigue. By supporting both muscle repair and cellular energy, Amino Complex helps you train harder and recover faster.*

  • Promotes the repair and growth of lean muscle mass*
  • Enhances muscle recovery and helps reduce post-workout soreness*
  • Supports energy production and increases muscular endurance*
  • Features a clinically validated 2:1:1 ratio of BCAAs*
  • NSF Certified for SportĀ®, trusted for purity and safety

Supplement record

Review serving details and ingredients for this product.

Supplement Facts:
Suggested Use: Mix 1 stick pack with at least 8 ounces of water one to two times daily or as recommended by your health-care practitioner.
Serving Size: One Stick Pack (7.8 g)
Servings Per Container: 30
Ingredient Amount %DV
Calories 25
Total Carbohydrate 1 g <1%*
L-Leucine 1.25 g **
L-Lysine (as L-Lysine Chloride) 650 mg **
L-Isoleucine 625 mg **
L-Valine 625 mg **
L-Threonine 350 mg **
L-Histidine 150 mg **
L-Cystine 150 mg **
L-Phenylalanine 100 mg **
L-Methionine 50 mg **
L-Tyrosine 30 mg **
L-Tryptophan 20 mg **
Other ingredients: Flavor, Citric Acid, Rebaudioside A (from stevia), Turmeric Powder.
*Percent Daily Values are based on a 2,000 calorie diet.
**Daily Value (DV) not established.
ALLERGY WARNING This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.
WARNING If pregnant or nursing, do not use this product.
INTERACTIONS There are no known adverse interactions or contraindications at publication date.