Best Amino Acid Supplements for Immune Support of 2025

Amino-NR by Pure Encapsulations is designed to support your athletic performance and recovery. These amino acids can enhance your muscle growth while helping to reduce soreness and fatigue during training. Additionally, the product promotes a healthy immune system by maintaining optimal glutamine and glutathione levels. You’ll also benefit from increased energy, thanks to ingredients like alpha lipoic acid and alpha ketoglutarate that support mitochondrial function. With a focus on purity, this supplement is crafted from high-quality ingredients, ensuring you receive only the best for your health and performance.

Pure Encapsulations L-Lysine Capsules are an amino acid supplement that provides essential nutrients to help maintain healthy immune function and gum health. With natural defense support, L-Lysine maintains healthy arginine production and supports the body's natural immune defenses. What makes this product stand out is its pure quality, using only premium ingredients sourced from trusted suppliers and free from wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

Clean Nutraceuticals Amino Support is an all-in-one supplement designed to enhance your workout and recovery experience. It features essential amino acids that promote muscle health and immune support, ensuring you feel your best after exercising. The formula also includes ingredients that aid in skin and liver health, which contributes to overall wellness. Furthermore, this supplement is beneficial for pregnant women, as it supports maternal and fetal health, digestion, and nutrient absorption. Easy to incorporate into your daily routine, these vegetarian capsules are perfect for anyone looking to boost their vitality and endurance.

SOLARAY L Lysine is a powerful immune support supplement that delivers 1000 mg of L-Lysine per serving, an essential amino acid your body cannot produce on its own. It’s perfect for enhancing your immune system and overall health. Each serving also includes 1000 mg of Vitamin C and 25 mg of Zinc, providing additional immune-boosting benefits, especially during colder months. Plus, with eco-friendly packaging made from recycled materials, you can feel good about your choice. All of this comes from a trusted brand that guarantees quality and offers a 60-day money-back promise.

Get maximum strength immune support with H Rescue Discreet Immune Support Formula. With pure ingredients of Lysine, Vitamin C, Zinc, Oregano Oil, Prunella Vulgaris, Red Marine Algae, Bee Propolis, and Olive Leaf Extract, this 100% all-natural supplement supports your immune system. Manufactured in the USA in a GMP compliant facility, it provides you with a safe and effective way to stay healthy.

Jarrow Formulas L-Glutamine is a microbiologically fermented dietary supplement that contains 100% L-glutamine. The amino acid is involved in metabolic processes that support muscle tissue, immune system, and digestive health. It is a major source of fuel for intestinal cells and supports the integrity of the intestinal lining. The suggested use is to mix ½ teaspoon into 6 to 8 oz. of fluid and drink when the stomach is empty or as directed by a qualified healthcare professional.

Quantum Health SuperLysine+ Advanced Formula Immune Support Supplement is a powerful immune booster with ingredients like Vitamin C, Echinacea, Licorice, Propolis, and Odorless Garlic. It promotes collagen growth, supports lip health, and provides antioxidant support. The specially coated tablets are easy to swallow, and each bottle contains a full 60-day supply. It's an award-winning lysine power formula from a trusted leader in the natural products industry.

Nuzest L-Glutamine is a premium amino acid supplement designed to enhance your digestive health. By mixing this powder into water or smoothies, you can easily boost your gut function and support better digestion. This product is also allergen-friendly, as it’s free from major allergens, gluten, and GMOs, making it suitable for a wide range of diets, including keto, paleo, and vegan. You can trust its safety, as it undergoes regular testing for allergens and contaminants. Plus, it’s environmentally conscious, packaged in recyclable pouches and made from sustainably sourced ingredients.

Get the most out of your active lifestyle with Life Extension L-Glutamine Supplement. This amino acid is essential for protein production and is perfect for athletes and those who lead an active lifestyle. It supports gut and immune health, promoting a healthy digestive tract and immune response. Its antioxidant properties help maintain muscle health, especially during heavy exercise. Made with non-GMO and gluten-free ingredients, this supplement is sourced with purity and potency in mind, ensuring maximum bioavailability and efficacy. Live your healthiest life with Life Extension L-Glutamine Supplement.

Amino Replete by Pure Encapsulations is designed to enhance your athletic performance and recovery. This supplement helps support your energy levels during workouts, making it easier for you to push through and recover afterward. Additionally, it promotes a healthy immune system by maintaining optimal levels of glutamine and glutathione, which are vital for immune function. With its hypoallergenic, vegan ingredients, you can feel confident that you're taking a supplement that is safe for your dietary needs. Pure Encapsulations ensures premium quality by sourcing only the best ingredients and conducting thorough testing for potency and purity.