The 6 Best Amino Acids Supplements, Recommended By A Dietitian
Now, you might wonder, why not just stick to whole foods? Totally fair, but there are a few reasons you might reach for an amino acid supplement instead. Maybe you train early and can’t stomach a full meal (or a thick shake made with protein powder) first thing, you’re plant-based and want to make sure you’re covering your bases, or maybe you just want options—powders, tablets, gummies—for a simple way to support recovery and muscle growth.
Whatever your reason, don’t just grab the first bottle on the shelf—not all amino acid supplements are created equal. I’ve rounded up some of the best options out there, whether you’re looking for a simple tablet, a delicious gummy, or a formula with a little extra energy kick. But first, it’s important to consider the supplement’s ingredients, dose, and third-party certifications.
What To Consider
Ingredients
If you’re looking for a well-rounded option, go for an amino acid supplement that includes all nine essential amino acids (EAAs). These provide broad support for muscle repair, recovery, and overall performance. Some products, however, zero in on just the three branched-chain amino acids (BCAAs)—leucine, isoleucine, and valine—because of their potential role in muscle building and recovery. Also, keep an eye on the list of ingredients you limit or avoid, including caffeine, added sugars, or artificial sweeteners, as well as common allergens like soy and gluten.
Dose
Dosing isn’t a one-size-fits-all, and it depends on your individual goals, body weight, and activity level. That said, a general recommendation for EAAs is about 0.10 to 0.14 grams per kilogram of body weight per serving. BCAAs are typically found in a 2:1:1 ratio—two parts leucine to one part isoleucine and valine—with research suggesting that around 2.5 grams of leucine per meal is ideal for maximizing muscle protein synthesis.
Third-Party Testing
Not every product goes through third-party testing, but when it does, it’s a huge plus for your peace of mind. This means an independent group has checked the product’s quality, purity, and accuracy of the label, so you can trust that what you see is exactly what you get. If you’re an athlete or someone serious about your training, it’s smart to look for certifications like NSF Certified for Sport or Informed Choice, and to choose products made in Good Manufacturing Practice (GMP)– certified facilities.
How We Chose
I’m a St. Louis-based dietitian with nearly a decade of experience in nutrition writing and editing. I also have an M.S. in Nutrition and Dietetics from Saint Louis University. After carefully evaluating dozens of amino acid supplements, I’ve narrowed down the best options based on ingredients, dose, and third-party testing with the help of WH fitness commerce editor Nicolette Accardi and the editorial team. Whether you prefer tablets, powders, or gummies, you will find an option to support your health.
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Best Overall Amino Acid Supplement
Thorne Amino Complex
After researching a wide range of amino acid supplements, the Thorne Amino Complex stands out as my top pick. It checks all the right boxes: a well-rounded formula, top-tier third-party certifications, and the kind of quality I feel confident recommending, whether your focus is training, recovery, or just feeling your best day to day.
Each scoop delivers a full spectrum of 11 amino acids, including the essential nine your body can’t make on its own. That means you get comprehensive support for muscle repair, performance, and overall vitality. You also get 1.25 grams of L-leucine, plus 625 milligrams each of L-isoleucine and L-valine—the trio of BCAAs that help drive protein synthesis and recovery—all in the ideal 2:1:1 ratio.
Now, if muscle growth is your primary goal and you’re taking this on its own (not alongside a protein-rich meal), you may want to double up to hit the 2.5-gram leucine threshold shown to stimulate muscle protein synthesis. It’s a simple tweak that can make a real difference.
As for flavor, you’ve got two fruity choices: Berry and Lemon. Both are naturally sweetened with stevia and get their color from fruit and vegetable juice, so no artificial ingredients here. And whether you prefer the convenience of single-serve packets or the value of a bulk tub, Thorne’s got you covered. Plus, it’s vegan and gluten, soy, and dairy free, making it a great choice for those with dietary restrictions or anyone following a plant-based lifestyle.
Thorne Amino Complex is NSF Certified for Sport, which means it has been third-party tested for over 200 substances banned by major athletic organizations. That’s peace of mind for competitive athletes and for anyone who values clean, trustworthy supplements. It’s also made in facilities that follow strict cGMP standards, so you know the quality is consistent from start to finish.
Read more: Best Supplements
Best Tablet Amino Acid Supplement
BodyHealth PerfectAmino Tablets
If you’re someone who prefers the simplicity and convenience of tablets over powders, the non-coated PerfectAmino by BodyHealth is worth a look. It’s a clean, reliable option designed to fit effortlessly into your daily routine—no scooping, mixing, or messjust take your aminos and go.
Each serving of five tablets delivers five grams of a proprietary amino acid blend, featuring essential, non-essential, and branched-chain amino acids (BCAAs). Since it’s a proprietary formula, the exact breakdown—like the specific BCAA content or ratios—isn’t disclosed. So, if you have very targeted goals, that’s something to keep in mind. On the bright side, the formula is vegan and soy, dairy, and gluten-free, making it a great fit for most diets.
It carries the NSF Certified for Sport seal and is made in a cGMP-certified facility, so you can trust that high manufacturing standards are met every step of the way.
In terms of value, PerfectAmino is on the premium end at around $1.50 per serving, but there are smart ways to save. You can choose from 30, 60, or 120-serving bottles, while bulk packs are available to help you stay stocked up. Joining their rewards program also adds more value over time.
One last thing to note: each serving is five tablets, and the recommended daily use is one to three servings. However, you can adjust the dosage based on your personal needs. If you’re not a fan of swallowing tablets, our best overall is a better fit.
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Best Subscription Amino Acid Supplement
Momentous Vital Aminos
Seeking a high-quality amino acid supplement on a recurring schedule? Momentous Vital Aminos delivers both nutritionally and literally using a subscription-based model, so there’s no need to worry about remembering to restock.
Here’s how the subscription works: You’ll get 25 percent off your first order (that’s about $34.47 or $1.14 per serving) and 10 percent off all future deliveries. You can choose delivery every one, two, or three months, and if your needs change, it’s easy to skip a shipment or cancel anytime without the hassle. And, if a subscription isn’t your thing, you can always snag a single container for $45.95.
Nutritionally, each scoop delivers all 13 amino acids, including the nine essential amino acids your body can’t produce on its own. That includes the muscle-supporting BCAAs—leucine, isoleucine, and valine—in a 4:1:1 ratio. While that ratio may not be ideal, it does provide 2.5 grams of leucine per serving—enough to support muscle protein synthesis effectively.
Vital Aminos is designed for daily use. Just mix one scoop with eight to 10 ounces of water or your favorite beverage. It works well during or after your workout, or simply as a protein-boosting supplement any time. The only flavor available is Tropical Punch, but most users say it tastes great and dissolves smoothly. Plus, it’s NSF Certified for Sport.
Best Flavors Amino Acid Supplement
Optimum Nutrition Amino Energy 
If you’re looking for a flavorful way to support recovery and energy without the dreaded sugar crash, Optimum Nutrition Amino Energy is worth exploring. With 14 standout flavors—including Blue Raspberry, Citrus Spritz, Juicy Strawberry, Peach Mango Tango, Rainbow Sherbet, and Tropical Sunrise—this supplement doesn’t skimp on taste, and you’re bound to find a favorite flavor.
Each serving combines five grams of amino acids and 100 milligrams of caffeine sourced from green tea and green coffee extracts. It’s quite a bit of caffeine, so keep that in mind if you’re sensitive to its effects.
While it includes key amino acids like BCAAs, it’s missing an essential one: tryptophan. Plus, since it uses a proprietary blend, the exact amounts aren’t fully disclosed. So, it’s great for everyday recovery and a gentle energy lift, but if you’re really targeting peak performance and muscle recovery, there might be better options out there.
One big plus? It’s NSF Certified for Sport and tested for banned substances. And at just $0.70 a serving, it’s a wallet-friendly way to enjoy great flavor and a smooth energy boost whenever you need it.
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Best Unflavored Amino Acid Supplement
Transparent Labs BCAA Glutamine
If you’re after a clean, unflavored amino acid supplement that doesn’t compromise on quality, Transparent Labs BCAA Glutamine is one of the best out there. The unflavored version skips all the extras—no artificial sweeteners, colors, preservatives, or GMOs—making it ideal for anyone who wants to stack it with other supplements, blend it into a smoothie, or just keep things as simple and pure as possible.
Prefer a little taste? It’s also available in naturally flavored options like Blue Raspberry, Sour Green Apple, Strawberry Lemonade, and Tropical Punch. Like the unflavored option, none contain gluten or artificial additives.
Digging into the formula, each serving delivers eight grams of BCAAs in the research-backed 2:1:1 to support muscle growth and recovery. You’ll also get five grams of L-glutamine to promote muscle repair, 1,000 milligrams of coconut water powder for added hydration, and a hefty dose of vitamin C(over 1,600 percent of your daily value)to support muscle recovery and immune function.
True to its name, Transparent Labs shares third-party testing results and certificates of analysis (COAs) right on their site, so you know exactly what you’re getting. It’s also Informed Choice certified.
At $39.99 for 30 servings (just $1.33 each), it’s a solid investment for clean, effective aminos.
Best Gummy Amino Acid Supplement
Nutravita EAA Gummies
If you’ve ever wished your amino acid supplements tasted more like candy, Nutravita EAA Gummies might be your next favorite addition to your supplement stack. These fruity, chewable gummies are a fun alternative to powders and capsules, perfect for anyone who’s a kid at heart or simply wants something easier (and tastier) to take.
Each serving delivers a solid dose of nine grams of essential amino acids, including six grams of BCAAs in the well-researched 2:1:1 ratio. Bonus: they’re vegan-friendly—a pretty rare find in the gummy world, making them a great pick for plant-based eaters.
You’ll need to chew four gummies per serving, which might sound like a lot. But thanks to the fruity flavor, they feel more like a treat than a task. They’re also free from added sugars, though they include artificial sweeteners—something to consider if you’re sensitive to those or prefer to steer clear.
Nutravita also mentions they’re third-party tested, though they don’t specify who handles the testing. Still, they’re GMP certified, so you can feel confident knowing they’re produced under strict quality and safety standards.
At about $1 per serving (that’s $29.99 for a 30-serving jar), they’re competitively priced, making them a more affordable and approachable option.
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Is it okay to take amino acid supplements every day?
For most people, it’s okay to take amino acid supplements daily. However, if you’re pregnant, breastfeeding, dealing with certain health issues like chronic kidney disease or phenylketonuria (PKU), or on medication, it’s a good idea to talk to your healthcare provider before making them a part of your routine.
Can amino acid supplements cause any negative effects?
Amino acid supplements can be helpful, but like anything, they’re not risk-free, especially with high doses or long-term use. Side effects are rare, but extended use may alter how your body processes amino acids, potentially impacting metabolism or causing a buildup of byproducts.
Limited research also exists on how different amino acids interact with each other, medications, or other supplements, making outcomes hard to predict. Interestingly, some animal studies suggest that stopping long-term use abruptly might temporarily disrupt protein synthesis, according to a study by Physiol.
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Sydney Lappe, RDN, is a St. Louis-based dietitian with nearly a decade of experience in nutrition writing and editing. With a background in psychology, she writes about the connections between diet, fitness, and mental health.
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