10 Reviews: Best Supplements to Support Immune System (Nov 2023)

Echinacea is a group of nine different types of plants that have been used for centuries to treat colds, flu, and other infections. Research has shown that it may be able to lessen the symptoms of the common cold and flu and possibly even stop them from happening. A recent study found that taking echinacea three times a day during the cold season kept colds from happening a little bit. Nature’s Bounty does not have gluten, wheat, or yeast, and it has between 1,200 and 2,400 milligrams of E. purpurea.

"Best deal around to boost immune system!"

by Amazon Customer

Healthy bacteria are probiotics. Probiotics improve gut flora, boosting mood, digestion, and immunity. Beneficial bacteria research is increasing. Renew Life’s Extra Care probiotics contain 50 billion live cultures from 12 strains. By passing stomach acid, Renew Life’s delayed-release capsules maintain purity and efficacy. These probiotics don’t need to be refrigerated, which is excellent for delayed shipments or crises without refrigeration.

"My nutritionist recomended these to me and i am so happy with them! I will definitely repurchase!"

by Silvia

Amazing Grass’ Original Protein Superfood is complete. This is an excellent nutrient supplement to add to daily life or keep on hand as an immune boost when habits are disturbed. This product contains 12 percent energy-boosting, plant-based iron and 20 percent vitamin A, which enhances adaptive immunity. Amazing Grass employs a low-temperature dehydrator to preserve nutrients in its greens. This blend has no sweeteners, so it’s great as a base for a smoothie, soup, or sauce.

"You could feel the nutrients once you take the first drink"

by Robert castro

Many studies have demonstrated that vitamin D helps the immune system in a variety of ways. This solution is ideal for those who have difficulty taking tablets. One serving of these liquid vitamin D3 drops contains 2,000 IU. If you want more or less vitamin D, you can modify your dosage immediately by consuming more or fewer drops of vitamin D. One of the best options for persons with food allergies and intolerances, this product does not include gluten or any of the other common allergens.

"I love being able to choose how much Vit D I want to take. Using it to supplement my multi-vitamin right now while we have COVID in the house. Has a nice citrus taste."

by Conchita M.

Zinc has been shown to help immune cells and it may also make colds less severe and last less long. Thorne is a trusted brand that makes sure its products are safe, effective, and of high quality. The company is proud to use ingredients that have been proven to work and are easy to absorb. The capsules from Thorne Research have 15 mg of zinc picolinate, which is a form of zinc that is easily absorbed. The capsules don’t have gluten, GMOs, or artificial preservatives. 

"I take this daily & have not been sick this winter."

by LindaM

Taking echinacea when you’re healthy may prevent colds. Some clinical evidence supports echinacea’s immune-boosting qualities. Organic Echinacea from Gaia Herbs Supreme liquid extract combines two forms of echinacea to create a powerful supplement. Gaia recommends taking 40-60 drops in a small amount of water 4 to 6 times a day, between meals. The purity-tested liquid is free of dairy, gluten, and soy. 

"The best immune supplement at all"

by Eduardo A. Cianferra

Doctor’s Best Vitamin C with Q-C is the top selection because it boosts the immune system and may reduce cold intensity and duration. As a water-soluble vitamin, your body detoxifies any excess, making vitamin C a safe choice for most people. Doctor’s Best Vitamin C contains 1,000 mg of bioavailable ascorbic acid. Doctor’s Best uses Quali-C ascorbic acid, a reputable brand. The pills are non-GMO, gluten-free, soy-free, and vegan.

"This supplements are very easy to swallow and digest , I also like that they’re very affordable ."

by Avva

Elderberry can help shorten the cold duration and ease their symptoms. Elderberry extract seems to help the body make proteins that fight infections called inflammatory cytokines.  New Chapter Elderberry Force had a high substance of anthocyanosides. Anthocyanosides are the chemicals that give elderberries their purple color and seem to boost the immune system. These dosage forms are also vegan, gluten-free, non-GMO, and free of synthetic colors and flavors.

"I must say I started taking this when I felt a cold coming on and did get one 🥰"

by Kimberlei

Studies from 2017 suggest that taking vitamin D supplements may help you avoid getting the flu. Nordic Naturals Vitamin D3 soft gels contain 1000IU, or 125 percent of the daily recommended dose, in each once-day serving. Nordic Natural’s non-GMO supplement is guarantee that it adheres to stringent manufacturing guidelines and is of the highest quality. Given that vitamin D is a fat-soluble vitamin and is best absorbed when there are healthy sources of fat in the diet, Nordic Naturals advises taking the supplement with food.

"This is very potent, now that I know the importance of this suppliment, I am never going with out it. ..."

by Myleah C

In order to guarantee that you receive more than 100% of the Daily Value for vitamin D, zinc, and vitamin c, Super Greens Immunity also contains added zinc, vitamin D3, acerola extract, and antioxidant-rich super berries. Additionally, it contains herbs from organic sources that support healthy immunological and detoxifying processes. Zinc is necessary for the signaling and activation of immune cells, which aid in the body’s ability to fight off infections.

"Excellent source of vitamins and gives me more energy during the day. My wife and myself see and feel the difference daily. Great product."

by Ronald Norton