Best Vegetarian Amino Acid Supplements in 2026

ALERT & CALM: L-Theanine is an amino acid commonly found in green tea and is believed to help with relaxation. Suntheanine is patented, researched, and clinically proven to promote an alert state of relaxation and focus without any accompanying drowsiness. Get focused so you feel ready to take on the day!

PREMIUM QUALITY: Sports Research is proud to offer products using only the best ingredients available so that you can have total peace of mind in the supplements that you are taking. Our L-Theanine 200mg softgel capsules are certified non-GMO and free of soy, gluten, artificial colors, Hexane, Stearates, and Titanium Dioxide.

Our products are made in cGMP compliant facilities in the United States, using only the best ingredients from domestic & international origins. For us, it's all about quality control - so you can have confidence in your dietary supplements.

3-in-1 Formula | Double Strength L-Theanine (200mg) with PurCaf Organic Caffeine (100mg) and Coconut MCT Oil.

Stay Focused | Jitter-Free Energy, Alertness and Focus Support*.

Our products are made in cGMP compliant facilities in the United States, using only the best ingredients from domestic & international origins. For us, it's all about quality control - so you can have confidence in your dietary supplements.

Stress Less for Adults: Support Focus & Occasional Stress Levels With Tasty Cherry-Flavored Beans. Formulated with magnesium and L-theanine to support mental focus and cognitive health.

Multiple Benefits: L-Theanine is an amino acid found primarily in green and black tea that may support relaxation and may ease occasional stress. Additionally, magnesium — an essential mineral — supports mood, occasional stress levels, and sleep regulation.

Vegan Formula: Magnesium (as Magnesium Citrate), Sugar, Tapioca Syrup, Modified Potato Starch, Citric Acid, Vegetable and Fruit Juice Color, Natural Cherry Flavor, MCT Oil, Carnauba Wax, Limonene, and Water.

Stress Less for Kids: Try these delicious and chewy beans to help support your child’s sleep and relaxation. L-theanine, an amino acid, and magnesium, an essential mineral, are included in this formula for children.

Multiple Benefits: Magnesium is an important trace mineral that supports mood, occasional stress levels, and sleep regulation. L-theanine supports relaxation and may ease occasional stress, as well as supports cognitive function and memory.

Vegan Formula: Magnesium (as Magnesium Citrate), Sugar, Tapioca Syrup, Modified Potato Starch, Citric Acid, Vegetable and Fruit Juice Color, Natural Cherry Flavor, MCT Oil, Carnauba Wax, Limonene, and Water.

Collagen Boosting Gummies: This delicious gummy contains nutrients to promote collagen production: L-lysine, Amla fruit, Vitamin A and Vitamin C.

Multiple Benefits: Collagen provides structure to bones and the skin. Vitamin A and C help stimulate collagen synthesis and promote skin health. Amino Acid Lysine works with Vitamins A and C as an essential part of collagen production. Amla fruit has been found to improve skin elasticity and thickness and promote hair growth.

Easy-to-Chew Gummies: No more hard-to-swallow pills or capsules! Adults take 1 gummy up to 3 times per day, or as recommended by a physician or healthcare professional. Take with food. Each bottle comes with 30-90 servings. Store in a cool, dry place.

✔️ MACULAR HEALTH - The AREDS 2 formula contains the most researched nutrients - AREDS 2 vitamins, saffron crocins and carotenoids astaxanthin, lutein & zeaxanthin. These eye care vitamins have been proven to support ocular & retinal health, and support eye aging & daily stress on eyes.

✔️ DRY EYE & EYE STRAIN - The eye supplement is packed with 12mg astaxanthin, 200mg Omega 3 DHA and 40mg Saffron. It helps the eye produce tear with high quality, promotes dry eye comfort, and support eye tiredness and fatigue. Plus, 40mg lutein provides the utmost blue light protection for computer users and gamers.

✔️ EYE PRESSURE & NIGHT VISION – This complete eye health vitamin contains 40mg saffron to support healthy intraocular pressure. It also includes 40mg lutein and zeaxanthin to support the ability to see fine detail. Lutein plus zeaxanthin support night vision and glare recovery from intense light.

Unique Collagen Formula With Biotin, Keratin, Multivitamin And Vitamins: Codeage Multi Collagen Protein Powder Platinum Edition offers 5 types of collagen powder with biotin, keratin, vitamin B6, vitamin C, vitamin D3, and hyaluronic acid in one single formula. It’s the collagen of choice for those who demand only the best.*

5 Types Collagen: The collagen powder offers 5 types of collagen (type I, II, III, V & X) from 5 different sources. This collagen supplement comes from grass-fed and pasture-raised bovine collagen. We also use wild-caught marine collagen from white fish and organic bone broth collagen. Eggshell membrane and free-range chicken provide the last two sources. This product doesn’t contain shellfish.

Biotin, Keratin, Vitamins & Amino Acids: Codeage Platinum Edition also combines additional ingredients and nutrients into one collagen solution. This formula features vitamins & minerals, including vitamin B6, vitamin C, vitamin D3. hyaluronic acid, niacin, keratin and 10,000 mcg biotin. This grass fed collagen supplement also provides 18 amino acids making it a superior choice in collagen supplements.

Advanced Collagen Pills for Women and Men - MultiMane Collagen Capsules include essential multi collagen pills (types I, II, III, and IV), biotin vitamins for hair skin and nails, keratin treatment, and hyaluronic acid supplements and more. Forget the hair mask for dry damaged hair and growth and keratin hair mask. Clean Nutra has proven to create unmatched collagen supplements for women and collagen for men that contain both type 1 collagen and type 2 collagen in each collagen pill.

The Hair Growth Supplement You’ve Been Looking For - Score 6 full-dose hair growth supplement products in one! Our hair vitamin contains a full biotin supplement, collagen supplement, vitamin C, vitamin E, folate (vitamin B9), and saw palmetto for men in a convenient 3 capsule dosage! Don't settle for plain old collagen peptides capsules, hair vitamins, multi collagen capsules, biotin 5000mcg, or saw palmetto for women that just have one or two ingredients. We made collagen for women better.

MultiMane Keratin and HSN100 Blends - With 6 full hair growth vitamins for women and collagen for hair growth included above, our formula also contains hair and nails vitamins for women such as hyaluronic acid capsules, pumpkin seed, MSM, PABA, glutathione, apple cider vinegar, a dht blocker for women hair growth and dht blocker for men! These 16-in-1 skin vitamins for women are packed with collagen vitamins, marine collagen capsules, biotin capsules, hyaluronic acid pills and collagen complex.

Includes 2 Bottles of SmarterVitamins Biotin 5000mcg for a total of 180 Liquid Softgels for Natural Hair, Skin & Nail Metabolism Strength Support.

SMARTER Biotin is part of the Vitamin B family, Vitamin B7 to be exact and it works on a cellular level to support Skin, Nail, & Hair Growth.*

SMARTER Vitamin B7 Biotin Benefits includes Keratin production*, Collagen Support Mini Liquid Softgel, Supports Amino Acid Metabolism, and Promotes Normal Immune Function.

Includes 1 Bottle of SmarterVitamins Biotin 5000mcg for a total of 90 Liquid Softgels for Natural Hair, Skin & Nail Metabolism Strength Support.

SMARTER Biotin is part of the Vitamin B family, Vitamin B7 to be exact and it works on a cellular level to support Skin, Nail, & Hair Growth.*

SMARTER Vitamin B7 Biotin Benefits includes Keratin production*, Collagen Support Mini Liquid Softgel, Supports Amino Acid Metabolism, and Promotes Normal Immune Function.

Liposomal Creatine Monohydrate Power: Feel the difference between Codeage patent pending liposomal formula vs. traditional creatine supplements. Liposomes can offer a modern way to transport and deliver nutrients with a different level of absorption. Codeage micronized creatine powder with liposomal delivery comes from non-GMO sunflower oil so you only get the highest quality ingredients. Codeage unflavored creatine powder formula provides 5000 mg of pure creatine monohydrate per serving.

Strength & Power Support: Creatine is a popular sports nutrition supplement that athletes and weightlifters use to help increase strength and power. Creatine is a highly researched compound shown to increase strength, energy, and muscle mass. Adding creatine to your workout supplement stack can help you take your training to the next level.*

Support Fitness & Muscles Recovery: Creatine has also been shown to improve recovery from strenuous exercise, workout, bodybuilding, or high-intensity interval training (HIIT) so you can get back in the gym sooner and train harder.*

✔ START GAINING WEIGHT --- Gaining weight starts with eating more. Our Appetite Booster helps improve your appetite to help you on your weight gaining journey.

✔ MIX INTO ANY JUICE OR SMOOTHIE -- Mix one serving per day into your favorite juice or smoothie to start supporting your appetite and nourishing your body with essential vitamins and amino acids.

✔ IMPROVE NATURAL ENERGY LEVELS -- Not only will eating more calories help you feel more energized, the B - Vitamins in our Appetite Booster also help boost your body's natural overall energy levels to keep you feeling healthy and active!

Kickstart your natural age defense. Encourages organic collagen production for smooth, younger-looking skin. Rehydrates from the inside out, reducing lines and wrinkles and leaving skin supple.

Glowing skin, glossy hair. Vitamin C, Biotin, and hyaluronic acid, proline, and lutein promote skin elasticity, and balanced oil and hydration levels. Helps repair damage from pollution and UV light.

Your age-defying body. Powerful natural ingredients including organic broccoli, cranberry, and grape seed extract combine for strong bones, teeth and flexible joints for men and women into old age.

✅ BEST SOURCE: Developed with a patented delivery system that keeps product from oxidizing and provides superior absorption by the body. Glutathione is not a vitamin, but a tripeptide made of glutamic acid and glycine. It promotes healthy liver function and powerful antiaging properties. Our products expire 2 years from the manufactured date.

✅ GOOD FLAVOR: Glutathione has a natural sulfur like smell and taste, we have added lemon and peppermint essential oils to our formula for an enhanced taste. Simply spray in mouth and your body will quickly absorb it. This is a great option for people who don't like pills or powder sources. It does not require to be refrigerated, although it does help extend shelf life. Some prefer the taste of the cold product vs room temperature. Please do not leave product in direct sunlight.

✅ MANY BENEFITS: Glutathione levels naturally lower with age. Glutathione supplements can provide a great solution to the effects of aging. Enjoy clear, bright skin, greater focus, better thinking, energy boost, combat free radicals, support immune function, help certain enzymes work and detox.

COQ10 supports a healthy cardiovascular system by promoting energy production in the heart and muscles, improving heart health and circulation. PD120 is a recommended choice for high blood pressure supplements.

ODORLESS BLACK GARLIC - Studies show it can help reduce and normalize blood pressure, while also lowering LDL and increasing HDL in the heart and arteries. With additional health benefits, PD 120 it's an effective natural blood pressure reducer.

OMEGA 3 - Reduces triglycerides and cholesterol in heart and blood vessels. L-THEANINE lowers stress and heart rate. Vitamin D3 reduces oxidative stress. Pressure Down combine these supplements to provide good blood pressure pills.

Mason Natural Vein Erect with L-Arginine & Maca capsules contains a concentrated form of maca herb together with the amino acid l-arginine which may help support normal stamina and endurance.

Mason Natural Vein Erect with L-Arginine & Maca capsules contains a concentrated form of maca herb together with the amino acid l-arginine which may help support normal stamina and endurance.

The herb maca and amino acid l-arginine are known for supporting normal health blood flow. Healthy blood flow is essential in order to boost stamina and endurance. Having these two supplements together in one formula is an easy and convenient way to get these two important nutrients for circulation.

ALL NATURAL MARINE OIL - For maximum strength, take 4 softgels daily (2 in the morning and 2 at night). Softgel capsules contain 100% pure Calanus oil, the only available marine source of high potency wax ester Omega-3 fatty acids. It is a superior source of functional amino acids and proteins. Contains EPA (Eicosapentaenoic acid), DHA (Docosahexaenoic acid), SDA (Stearidonic acid), and Astaxanthin for a more complete nutritional supplement.

HEART & BRAIN HEALTHY - A brain health supplement containing essential polyunsaturated acids EPA and DHA help to support cognitive function and memory. Ruby of the Sea heart health supplements contain SDA to provide an additional layer of protection for your heart, supporting cardiac function. Clinical study shows an increase in blood flow, which provides more oxygen and more nutrients to cells.

ANTIOXIDANT RICH - Astaxanthin is a powerful antioxidant that gives Ruby of the Sea its red color. It may improve immune system function, promote athletic performance, hydrate and protect aging skin, soothe and fight muscle soreness, and protect eye health.

SUPER-ABSORBABLE GLUCOSAMINE: we use the purest form of glucosamine - hydrochloride as opposed to sulphate. It’s sourced from a natural fungus called aspergillus niger and is hypoallergenic – perfect for those with seafood allergies who normally have to avoid glucosamine. Glucosamine is an important amino acid which is synthesized by the body from glucose and is part of the connective tissue in the joints.

ULTRA-PURE WILD WISH OIL & ORGANIC EVENING PRIMROSE OIL: the fatty acids EPA and GLA found in fish oil and evening primrose oil have a unique relationship and work together to ‘switch off’ inflammatory substances produced by the omega-6 fatty acid AA (arachidonic acid). Taking fish oil and evening primrose oil supports the body’s natural balance of omega-3 and omega-6 fats, which is necessary for regulating levels of inflammation and good immune function.

WITH VITAMINS C AND E: required for optimal immune support and for collagen synthesis, which provides strength, resilience and support to connective tissues, tendons and cartilage. Vitamin C supports collagen formation and cartilage function required for joint support and also helps maintain the normal function of the immune system during and after intense physical exercise.

Codeage Multi Collagen Platinum stick packs provide a premium and convenient way to incorporate collagen into your daily routine with a unique blend of 5 types of collagen peptides from 5 different food sources and 18 amino acids all-in-one.

This advanced collagen powder protein formula is packed with nutrients like biotin 10,000mcg, keratin, vitamin B6, vitamin C, vitamin D3, hyaluronic acid, niacin, and pantothenic acid to help support healthy hair, skin, nails, and overall wellness.*

Our collagen is sourced from grass-fed, pasture-raised animals, ensuring that it is of the highest quality and purity. Each Codeage multi collagen biotin and vitamin supplement box comes with 30 packs for 1 month of supply.

Provides Optimal Nourishment - Ensure proper nutrition with whole food vitamins & minerals. Our complete multivitamin with minerals are rich in vitamins A, D, & E, calcium, magnesium, & spirulina that help revitalize & nurture your body.

Maximizes Nutrient Absorption - The chock-full of minerals in our all natural multivitamin are chelated for increased nutrient absorption. Our multivitamin from whole food sources help build strong bones & muscles, while improving your overall health.

With Advanced Bioavailability - Our multivitamin food based tablets are formulated highly absorbable into the bloodstream. They’re infused with powerful enzymes & disease-fighting probiotics for enhanced gut health & immune function.

Luxxe White: 60 Capsules, Luxxe Renew: 60 Capsules, Luxxe Protect: 30 Capsules (3 Bottles Total)

500 mg of Glutathione per capsule plus 275 mg of boosters, Enhanced glutathione is clinically proven to be absorbed by the body compared to regular glutathione, Glutathione lightens skin by inhibiting the enzyme tyrosinase. It also acts as an antioxidant that protects the skin from damage that causes darkening and discoloration

NAC, Vitamin C, Alpha Lipoic Acid and Grapeseed Extract boost the absorption and function of glutathione in the body. They also promote natural production of glutathione inside your body, How Luxxe White Enhanced Glutathione Works Glutathione is a substance produced naturally by the liver. It's also found in fruits, vegetables and meat. It is made of three types of amino acids namely cysteine, glycine and glutamic acids.

Natural Memory Supplement For Brain: Mind Fuel contains important cognitive ingredients like L-Tyrosine, an amino acid that may support memory, and Huperzine A, which may help regulate levels of memory-boosting acetylcholine within the brain

The ultimate Omega 3 for Skin, Vision, and Brain health: Our fish oil capsules with premium fish oil 1000mg EPA+DHA omega 3 formula can help promote healthy glowing skin, maintain healthy brain and eye functions, and even contribute to better sleep quality.

Gluten-free, Allergen-free, and Non-GMO: Our premium DHA omega 3 fish oils formula is safe for those who are avoiding gluten or are susceptible to allergic reactions from other fish oil supplements.

BCAAs Amino Acids - BCAA supplements are excellent for supporting fitness and sports enthusiasts because they provide crucial energy support and help promote better muscle strength and recovery

Bodybuilding supplements - Enjoy our natural workout supplement for women and men for enhanced lean muscle growth that help regulate body size the natural way by increasing your energy expenditure

Just the Essentials - Our BCAA pills contain the ideal ratio of 3000mg leucine isoleucine valine essential amino acids making it a go to choice for your next BCAA pre workout no caffeine formula

WHY TRY OUR CARDIO CHEWS & FISH OIL TOGETHER: This Wonder Paws bundle includes our powerful fish oil formula, a liquid supplement that is full of omegas and high-quality ingredients to support joint health, immune function, skin moisture, and other wellness benefits. The formula complements our Heart + Vitality Chews with added joint, immune, and wellness support while the cardio supplement promotes heart health and energy. Let your pup feel the power with this advanced bundle!

FISH OIL FORMULA WITH INGREDIENTS YOU CAN TRUST: Our Fish Oil Liquid for dogs is rich in omegas that help maintain skin moisture and luster, support itchy skin and allergies, and promote relief from hot spots. This formula was also designed to support healthy joints, heart, and immune function with its 3 different sources of omega-3s. Our Omega Max includes astaxanthin and 3 naturally sourced omegas from salmon, cod, and krill oil with EPA & DHA to support your dog’s skin, joint, and immune heal

THE POWER OF OMEGAS: Our Omega Max 3x Fish Oil contains healthy doses of omega-3 and omega-6 fatty acids. Omegas are important when it comes to maintaining skin moisture and luster, but is also a big contributor to your pet’s joint health. With omegas present in this formula, along with other essential vitamins and antioxidants, your pup’s wellness will be taken to the next level!