Short answer
Thorne Amino Complex is an EAA and BCAA powder that Thorne lists as NSF Certified for Sport, with vegan, gluten-free, dairy-free and soy-free badges. Its panel shows 1.25 g of leucine per scoop, and Thorne suggests one scoop in at least 8 oz of water one to two times daily. It suits people who value certification over the biggest dose per scoop.
What the label shows
-
01NSF
Thorne Amino Complex
Best for: certification first
- Form
- Powder, berry or lemon
- Serving
- 1 scoop, 30 per tub
- Leucine
- 1.25 g per scoop
- Certification
- NSF Certified for Sport, per Thorne
- Badges
- Vegan, gluten, dairy and soy free
- Sweetener
- Rebaudioside A (stevia leaf)
- Facts from Thorne's product page. Retailer listings describe a 2:1:1 BCAA ratio within the blend.
- The panel also includes non-essential amino acids such as tyrosine and cystine, per retailer ingredient lists.
How it compares
- Dose: 1.25 g leucine per scoop is within the ISSN range of about 700 to 3000 mg per protein dose (ISSN 2017), at the lower end. Two scoops doubles it.
- Certification: NSF Certified for Sport tests lots for label claims and for substances banned in sport, per Thorne and NSF. That matters most to tested athletes.
- Versus bigger-dose powders: some powders list 8 g of EAAs per scoop, mostly BCAAs (see a worked label).
Who it suits
- Athletes in tested sport who want an NSF Certified for Sport product.
- Vegans who want a certified option.
- People who prefer stevia over sucralose.
Thorne also sells through its own shop. Compare with other brands in EAA brands compared.
Questions people ask
Is Thorne Amino Complex NSF certified?
Thorne lists Amino Complex as NSF Certified for Sport. You can confirm the current listing in the NSF Certified for Sport database.
How much leucine is in Thorne Amino Complex?
Thorne's supplement facts show 1.25 g of L-leucine per scoop.
Is Thorne Amino Complex vegan?
Thorne's product page shows a vegan badge, along with gluten-free, dairy-free and soy-free badges.
When should I take Thorne Amino Complex?
Thorne suggests one scoop in at least 8 oz of water one to two times daily, or as recommended by your health-care practitioner. Research suggests timing matters less than total protein.
Sources
Last reviewed October 12, 2026. Formulas, labels and listings change; check the current label before you buy. This page is general information, not medical advice.