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ThorneFX Amino Complex

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Product Description

ThorneFX Amino Complex

Amino Complex is a patented, essential amino acid formulation available exclusively through Thorne Research and ThorneFX. This specific blend of amino acids was developed through more than 20 years of research, and has been well-studied for its positive effects on development of lean body mass, exercise capacity, aerobic metabolism, and support of mitochondrial growth.*

Amino Complex is different than many of the popular branched-chain amino acid formulas on the market because it provides more than the BCAAs. While BCAAs help stimulate protein synthesis, the comprehensive blend of essential amino acids in Amino Complex have been shown to not only increase protein synthesis, but decrease protein breakdown.*

Amino Complex also supports body composition by supporting aerobic metabolism, which allows the body to use more fat as a fuel source over carbohydrates.*

Because amino acids play an important role in supporting the energy needs of the body during exercise, these BCAAs have also been shown to improve overall exercise capacity.*

Amino Complex is an important nutritional supplement for active, exercising individuals as well as those in their later years, trying to maintain lean body mass. The maintenance of lean mass, especially type II or fast-twitch muscle is critical for management of blood sugar and maintenance of strength and bone density with aging.

Unlike many other popular amino acid formulas on the market, Amino Complex contains no artificial flavors, colors or sweeteners. It is sweetened with stevia and is lemon flavored.

*This statement has not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.



One Level (6.6 g) Scoop Contains:

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 (as L-Histadine Chloride Monohydrate) 150 mg
L-Cystine 150 mg
L-Phenylalanine 100 mg
L-Methionine 50 mg
L-Tyrosine 30 mg
L-Tryptophan  20 mg


Other Ingredients: Citric Acid, Fatty Acid Polyglycerol Esters, Sodium Citrate, Hydroxypropylmethylcellulose, Flavors, Stevia extract (leaf) (Rebaudioside A 95%), Silicon Dioxide, Riboflavin 5'-Phosphate (color).

Servings Per Container: 30


This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.

If pregnant, consult your health-care practitioner before using this product.

There are no known adverse interactions or contraindications at publication date.


Mix 1 scoop with 6 oz of water one to two times daily or as recommended by your fitness professional.


How many servings should I use each day?
We recommend two servings just before a normal training session, which will provide about 8 grams of essential amino acids. This is for an average individual. You may choose to take a larger dose, or take another serving or two immediately following a training session.

The ideal amount also depends on the amount of protein you eat throughout the day. Those who are consistent with eating plenty of protein at every meal, three to four times per day, may just desire to take Amino Complex around their workout. Others, who are inconsistent with their eating schedule, or experiment with intermittent fasting, may wish to use Amino Complex at other times of the day.

Warranty Information

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to cure, treat or prevent any disease. All products sold on this website should be taken under the care of a licensed medical professional.

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