Best Primeval Labs Amino Acid Nutritional 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.

ADVANCED DELIVERY SYSTEM - One of the world’s first multi-nutrition formulas that is delivered in a liquid softgel. Nutrients in softgels are quickly released for use in your body, easier to swallow and do not contain binders and fillers found in tablets, so there’s more room for restorative ingredients.

TARGETS WOMENS NEEDS - Women’s Living Green Liquid-Gel Multi sets a new standard in today’s world of low nutrition and high stress. Using powerful botanicals from whole living plants, this is not a one-size-fits-all formula...it’s targeted to benefit the unique nutritional needs of women, delivering vitamin D3, evening primrose oil, cat's claw and cranberry.

FULL SPECTRUM BLEND - This breakthrough formula combines over 70 nutrients, full spectrum vitamins and essential minerals that cover the following 12 categories: Full Spectrum Vitamins, Minerals, Crucial Oil Complex, Antioxidant Blend, Fruit and Vegetable Blend, Immuno Blend, Amino Acid Blend, Traditional Botanical Blend, Green Super Food Blend, Adrenal Blend, Brain Blend and Targeted Blend.

13 SUPERFOODS – SeaAloe contains 13 Superfoods from around the world and delivers a full spectrum of nutritional support. With our proprietary blend of plant-based, wholefood ingredients, we provide nutrients in a natural liquid form your body recognizes. SeaAloe uses proprietary processing techniques that reduce surface tension to enhance nutrient absorption.

POTENTIAL HEALTH BENEFITS – Traditionally Aloe Vera supports digestion, cleanses the vital organs, Sea Vegetables support thyroid function and Pau D’ Arco boosts the immune and lymphatic system, White and Concord Grapes, support the arteries and normal blood pressure, support collagen and elastin levels in the skin, Black Cherries support the reduction of oxidative stress effects and help lower uric acid levels.

80+ VITAMINS & MINERALS – NO synthetic, isolated or man-made nutrients are added! This great tasting liquid allows the nutrients to be quickly and effectively absorbed into your body - Unlike most pills, tablets, and powders which are harder for the body to absorb. SeaAloe contains 80+ vitamins & minerals in nature's perfect balance!

⚡ Boosts Energy - L-Arginine, in base form, is a nonessential amino acid, meaning its produced by the body, that is essential for human health. Our L-Arginine powder, or L-Arginine Base powder, helps boost energy levels for daily activities and more enduring activities.* Making our arginine supplement suitable for athletes and active individuals alike.

✔️ Supports Blood Flow - Not only it helps support energy levels, this amino acid is essential in the body's production of nitric oxide, which is necessary for blood flow throughout the body.* Whether you're looking to feel a little boost of energy, our L-Arginine powder is the supplement for you! Add our L-Arginine supplement to any routine or regimen for additional boost!*

✔️Semi-Essential Amino Acid - L-Arginine is considered a semi-essential amino acids, which means this is important under certain times.* And, it's a building block for other amino acids and nitric oxide in the body. Add our L-Arginine powder, an arginine supplement, for overall support of the immune system and bodily functions.*

✔️A Semi-Essential Amino Acid - L-Arginine is considered a semi-essential amino acids, which means this is important under certain times.* And, our L-Arginine powder is perfect for those looking for an arginine supplement. This amino acid is beneficial in supporting your overall wellness.* Add our Arginine powder to your daily routine today!

✔️ Boost your Energy!- Looking for a way to boost your energy levels? Our L-Arginine powder, or L Arginine powder, helps boost energy levels for daily activities and more enduring activities.* Making our L-Arginine nutritional supplements, or arginine supplement suitable for athletes and active individuals alike.

✔️Supports your Blood Flow! - Did you know that L-Arginine is essential in the body's production of nitric oxide? This amino acids supplement is necessary for blood flow throughout the body, and our L-Arginine powder, or L Arginine powder, can help support your energy levels!* Add our Arginine supplement, or Arginine powder, to any routine or regimen for an instant boost.

ADVANCED DELIVERY SYSTEM - One of the world’s first multi-nutrition formulas that is delivered in a liquid softgel. Nutrients in softgels are quickly released for use in your body, easier to swallow and do not contain binders and fillers found in tablets, so there’s more room for restorative ingredients.

TARGETS WOMEN'S NEEDS - Women’s Living Green Liquid-Gel Multi sets a new standard in today’s world of low nutrition and high stress. Using powerful botanicals from whole living plants, this is not a one-size-fits-all formula...it’s targeted to benefit the unique nutritional needs of women, delivering vitamin D3, evening primrose oil, cat's claw and cranberry.

FULL SPECTRUM BLEND - This breakthrough formula combines over 70 nutrients, full spectrum vitamins and essential minerals that cover the following 12 categories: Full Spectrum Vitamins, Minerals, Crucial Oil Complex, Antioxidant Blend, Fruit and Vegetable Blend, Immuno Blend, Amino Acid Blend, Traditional Botanical Blend, Green Super Food Blend, Adrenal Blend, Brain Blend and Targeted Blend.

ENERGY. PERFORMANCE. STIMULANT FREE. Our L-Carnitine formula can aid in the conversion of fat to a usable energy source. L-Carnitine has been shown in studies to support fat loss making it a powerful, stimulant free fat burner supplement for men and women.

7 AMAZING FLAVORS: ProSupps L-Carnitine was formulated with world-class flavors to ensure it can satisfy every palate.

COMMITTED TO QUALITY: ProSupps is committed to providing products that contain the most effective, 3rd party tested and safe ingredients. All our products are held to the highest standards and are only manufactured in facilities that employ cGMP practices.

ELITE METABOLISM ACTIVATOR: L-Carnitine LS3 Blue Raspberry delivers 1500mg of Advanced L-Carnitine Complex per serving. Calorie-Free, Sugar-Free, and Gluten-Free.

SUPERCHARGED CALORIE BURNING: L-Carnitine assists in the processing of fatty acids, helping your body better utilize it for energy, which supports improved metabolism. Improve your body's metabolic abilities for better workout performance and energy levels.

BACKED BY SCIENCE: Trusted by athletes and fitness experts worldwide. It is a combination of L-Carnitine, Acetyl-L-Carnitine, and L-Carnitine L-Tartrate. With this, iSatori has created a calorie-free, sugar-free, gluten-free, and great-tasting liquid that supports metabolism.

MAXIMUM STRENGTH ACETYL L-CARNITINE: aSquared Nutrition’s Acetyl L-Carnitine formula is packed with 1000mg of Acetyl L-Carnitine per serving, with 500mg of Acetyl L-Carnitine per vegetable capsule (19% potency yield). Our complex contains 200 capsules in each bottle for a full 100-day supply. That’s more than 3 months supply! *

VEGAN FRIENDLY FORMULA: Our high quality 1000 MG formula delivers more value than the biggest names on Amazon touting only 200mg, 250mg or 500mg of Acetyl-L-Carnitine per serving. If you are dissatisfied with our product you have 30 days to return it for a full refund. *

FEEL THE DIFFERENCE: Acetyl L-Carnitine is an amino acid that supports pure energy production, promotes brain function & cognition, fatty acid support, supports heart health and helps boost cellular energy. Additionally, people supplement with Acetyl-L-Carnitine for numerous reasons including memory loss, depression, poor brain circulation, and low testosterone levels (male menopause). *

𝗛𝗘𝗟𝗣 𝗕𝗨𝗥𝗡 𝗢𝗙𝗙 𝗨𝗡𝗪𝗔𝗡𝗧𝗘𝗗 𝗙𝗔𝗧𝗦 - Help your body burn off more fat reserves with these gummies. Acetyl L Carnitine may help speed up your metabolism and support the conversion of fat stores into energy.

𝗦𝗛𝗔𝗥𝗣𝗘𝗡 𝗬𝗢𝗨𝗥 𝗧𝗛𝗜𝗡𝗞𝗜𝗡𝗚 - Shut down brain fog or mental stress with the help of our supplement. L- Carnitine passes through the brain barrier to help support memory, focus, and cognitive function.

𝗛𝗔𝗥𝗡𝗘𝗦𝗦 𝗠𝗢𝗥𝗘 𝗘𝗡𝗘𝗥𝗚𝗬 - Muscle your way through busy days. ALCAR acetyl L-Carnitine is used by the body for the process of transporting fat and converting it into energy to help you power through.

✔️A Semi-Essential Amino Acid - L-Arginine is considered a semi-essential amino acids, which means this is important under certain times.* And, our L-Arginine HCl powder is perfect for those looking for an arginine supplement. This amino acid is beneficial in supporting your overall wellness.* Add our Arginine powder, or Nitric Oxide powder, to your daily routine today!

✔️ Boost your Energy!- Looking for a way to boost your energy levels? Our L-Arginine HCl powder which is bonded with HCl, or L Arginine powder, helps boost energy levels for daily activities and more enduring activities.* Making our L-Arginine nutritional supplements, or arginine supplement, suitable for athletes and active individuals alike.

✔️Supports your Blood Flow! - Did you know that L-Arginine is essential in the body's production of nitric oxide? This amino acids supplement is necessary for blood flow throughout the body, and our L-Arginine HCl powder, or L Arginine 1000mg powder, can help support your energy levels!* Add our Arginine supplement, or Arginine powder, to any routine or regimen for an instant boost.

OPTIMAL FOOD DIGESTION: A key culprit in many chronic health conditions is insufficient digestion of fats, carbohydrates and proteins. Amino Acid Quick Sorb contains pre-digested amino acids ready to form enzymes needed for optimal food digestion and building of proteins.

SUPPORTS IMMUNE FUNCTION: A balanced blend of amino acids helps the body synthesize the protein it needs to maintain the health of the body and to support the immune system.

PROMOTES LEAN MUSCLE MASS: Amino acids are the building blocks of protein. They help promote muscle recovery after intense exercise, support muscle tissue from breakdown and maintain lean muscle mass.

FEEL THE DIFFERENCE: Effects of our 5 HTP drops even at the 50mg dose may be far more noticeable than encapsulated 5 HTP products

SEROTONIN SUPPLEMENT: 5 HTP is an amino acid that is converted into serotonin in the brain. This may help support mood and Nighttime

UNIQUE 5-HTP DROPS: Double Wood offers the first ever maximum absorption 5 HTP drops that are over 99% 5-HTP. Check the supplement fact panel of other 5 HTP supplements, many only offer a 10% product.

ROBUST DAILY MULTI - Quick Energy RED Liquid-Gel Multi is a high-potency multivitamin, multi-mineral formula packed with vitamins, minerals & trace nutrients to help you meet your daily nutritional requirements.

PERFORMANCE BOOST - This performance boost comes in the form of L-Citrulline, an amino acid that readily converts to L-Arginine in the body. L-Arginine can then be converted to nitric oxide.

SUPERFOODS - Our formula also contains nutrient-dense superfoods and beneficial oils, including maca root, beet root, turmeric, medium chain triglycerides (MCT) oil, and flaxseed oil.

✓ PURE MAGNESIUM LIQUID FOR HIGH ABSORPTION: A vital nutrient for +300 bodily processes, Magnesium is crucial for muscle + bone health, proper nerve function & DNA synthesis. It’s used in liver support, liver detox & adrenal support, hormone balance for women, gut health, is a natural sleep aid & immune system booster

✓ EASY DIGEST + GREATER BIO-AVAILABILITY: Our magnesium supplement for Women & Men is bound to an amino acid, reproducing how magnesium occurs in whole foods. The result is better absorption and efficacy. Gentler on the stomach than magnesium citrate, our Happy Calm Magnesium Glycinate calms with the help of neurotransmitter glycine, is also easy to swallow & non-laxative

✓ MAGNESIUM SUPPLEMENT LIQUID – CARE FOR THOSE YOU CARE FOR MOST: A safe choice in magnesium for kids, all of Hello Health’s nutritional supplements including our magnesium glycinate supplement are made in the USA, GMP certified & lab tested, non-GMO, dairy free, gluten free, have no cheap fillers like magnesium oxide + can be enjoyed by the whole family

** ENERGY PRODUCTION AND METABOLISM: P-5-P is widely utilized in central metabolism, especially in amino acid biosynthesis and energy production. It functions as a coenzyme in the release of glucose from stored glycogen, turning it into energy.

** HELPS MAINTAIN LEVELS OF HAPPY BRAIN CHEMICALS: Stored in the liver, muscles and brain, vitamin B6 acts as a cofactor and is involved in more than 100 reactions, including neurotransmitter synthesis. Insufficient levels of B6 can result in low levels of dopamine, serotonin, epinephrine, melatonin, norepinephrine and GABA, neurotransmitters that contribute to positive mood and behavior. Sufficient levels of B6 help maintain healthy levels of neurotransmitters that support health.

** SUPPORTS CARDIOVASCULAR HEALTH: Vitamin B6 regulates the production of homocysteine, a compound that, in excess, can damage the lining of blood vessels both in the heart and brain. Vitamin B6, therefore, supports both cognitive and cardiovascular health.

More Advanced 3-Plus-1 Liquid L-Carnitine: L-Carnitine ELITE BURN offers a more advanced and comprehensive 3-plus-1 L-carnitine based formula. Featuring 3 different forms of L-Carnitine, Acetyl-L-Carnitine and L-Carnitine L-Tartrate, L-Carnitine ELITE BURN’s formula is more advanced than most because it’s also fortified with 30mg of Grains of Paradise Extract to further enhance results.

Increase Energy And Support Fat Loss: L-Carnitine ELITE BURN and its delicious Strawberry Blast flavor delivers 3g of three different forms of carnitine per serving. L-carnitine is a clinically studied ingredient known for its ability to increase energy, boost metabolism, and support stronger fat loss efforts.

Full Label Transparency: L-Carnitine ELITE BURN’s formula features Truth-in-Labeled Ingredients, so you know exactly what you're getting in every serving! This means you can feel more confident in knowing that you’re getting the clinically studied key ingredients necessary to help support fat loss, boost metabolism, and increase energy.

Encourages lean muscle production

Supports cardiovascular health

Pairs with methionine and glycine to aid the making of energy in muscles

LIQUID MULTIVITAMIN FOR KIDS THAT IMPROVES FOCUS, ATTENTION MOOD & MORE - This one kid multivitamin gives children and teens essential vitamins like B1, B2, B3, B6, B12, Zinc, Folate, and Choline. But it also contains focus vitamins for kids including Magnesium and a blend of calming GABA for kids, plus DMAE and Alpha GPC to promote focus, memory, mood and health. Keep kids calm with premium children’s vitamins like Attention by Liquid Health.

HELP YOUR CHILD STAY ON TASK, IMPROVE THEIR MOOD & LEARN EASIER - This Attention for kids calming supplement combines key kids liquid vitamins, amino acids, minerals, and brain supplements to offer natural relief for kids, enhance focus for kids, and support dopamine and serotonin levels for optimal cognition and behavior. This kid multivitamin helps kids and teens who struggle to concentrate, stay on task, have behavior issues, learning difficulties, and mood swings to be more calm.

GET BETTER ABSORPTION & NOTICEABLE RESULTS THANKS TO LIQUID VITAMINS - Liquid vitamins for kids like this Attention and focus for kids contain absorption enhancers like Vitamin D, Calcium, and Zinc. Together, these kids focus vitamins unlock the power of others to improve absorption, thereby fortifying their nervous system and brain development. This children’s multivitamin also contains phytochemicals and essential antioxidants from 27 fruits and vegetables they may be lacking in their diet.

<p>Supports the body's defenses against oxidative stress</p>

<p>Offers antioxidant support to neutralize free radicals</p>

<p>Provides detoxification support</p>

Supports sports performance

Pairs with methionine and glycine to aid the making of energy in your<br />muscles

Supports blood pressure already within normal range

LIVER-SUPPORTIVE NUTRIENTS: The liver is the major organ controlling metabolic homeostasis for the body. MCS-2 contains a proprietary blend of nutrients such as Alpha-Lipoic Acid, Milk Thistle, Red Clover and more – specially formulated to support liver function.

SUPPORTS DETOXIFICATION PATHWAYS: The human body naturally detoxifies “xenobiotics” or foreign/toxic chemicals from the body, but when it is overloaded, nutritional support such as MCS-2 may help the body’s natural detoxification pathways to function better.

POTENT FORMULA: MCS-2contains a unique formulation of vitamins, minerals, amino acids, botanical components that support detoxification and metabolic support, but also exhibit potent activity to quench singlet oxygen molecules that cause oxidative damage.

** SUPPORTS CARDIOVASCULAR HEALTH: L-arginine helps relax blood vessels and may provide support for cardiovascular health.

** BUILDING BLOCK FOR PROTEIN: L-arginine is an amino acid, building blocks for all proteins in the body, which include muscle, connective tissue and other structural proteins as well as functional proteins such as enzymes.

** EXERCISE PERFORMANCE: When blood vessels are relaxed, there is more effective blood flow and a greater chance of nutrients and oxygen reaching muscles and joint tissues.

Precursor to nitric oxide for overall health support

High-purity, pharmaceutical grade amino acid support

DOSAGE INSTRUCTIONS: Our wellness supplements offer everyday solutions using only the purest ingredients. As a dietary supplement, take one veggie capsule one to two times per day with water. May take up to 20 veggie capsules per day if desired.

Pharmaceutical grade

From Japanese-based Ajinomoto

The perfect ratio of l-arginine & l-ornithine