Buyer's Guide: The best immune nutrients

Many people take their immune system for granted—until they get sick. Support your immune system with the following supplements while you’re healthy to avoid catching the latest bug, when traveling or when under stress.


Beta Glucans

Glucans such as beta 1,3/1,6 glucans are a class of polysaccharide sugars found in certain yeasts and mushrooms.

They have a stimulating effect on immune cells that help your body ward off invaders. They work well and are one of our top choices for immune support formulas.* Beta glucans are a primary ingredient in the Lindberg Immune Support* formula.

Try Lindberg Immune Support* or other beta glucan formulas here. 




Immune-enhancing medicinal mushrooms like reishi and maitake have been used in traditional Chinese, Japanese and Ayurvedic medical systems for centuries. American Biosciences ImmPower contains a special extract of medicinal mushrooms shown to greatly enhance natural killer cell activity.  

Try Lindberg Immune Support, American Biosciences ImmPower, or other mushroom formulas here. 



Oregano Oil 

Oregano oil is a powerful natural antimicrobial agent able to kill many types of pathogenic microorganisms including yeast.* Lindberg Oregano Oil Extract softgels are standardized to supply at least 99.5 mg of carvacrol, one of oregano's most active constituents. It's up to 14 times more potent than brands that supply as little as 7 mg of carvacrol per pill. Each softgel is enteric coated to minimize burp back.

North American Herb & Spice Oreganol P73 contains the aromatic essence of wild oregano, which is rich in oxygenated compounds. Oreganol P73 is the original wild oregano blend from remote high-mountain regions of the Mediterranean. 

Try Lindberg Oregan Oil Extract or other oregano oil formulas here. 



Olive Leaf 

Olive leaf contains oleuropein, a phytochemical which helps support the immune system.* Lindberg Olive Leaf Extract 500 mg contains 15% oleuropein, the bitter glycoside found in the leaves, which has been identified as one of its key constituents providing therapeutic benefits.*

Support the body's defense system with olive leaf extract.*

Try Lindberg Olive Leaf Extract. or other olive leaf formulas here.  



Echinacea & Goldenseal

Many people consider echinacea (Echinacea purpurea) a staple for the cold season, making echinacea extract one of the most popular and best-known herbal remedies available. 

Echinacea helps support the immune system.* Many people also take goldenseal root along with echinacea since it has a long history of traditional use. 

Try Lindberg Echinacea Goldenseal, Lindberg Echinaceaor other echinacea formulas here. 



Oscillococcinum (o-sill-o-cox-see-num) is a homeopathic medicine that has been used in Europe for decades. It works naturally with your body and is easy to take.

It has been shown in studies to help reduce both the duration and the severity of flu-like symptoms such as body aches, headache, fever, chills, fatigue.* It is a non-drowsy formula with no known drug interactions. 

Try Boiron Oscillococcinum or other seasonal products here. 



Astragalus or Huang Qi (“hwong chee”) is a major Qi tonic herb in Chinese Medicine. Astragalus is placed in the same category as ginseng, but it is considered less stimulating. It’s usually used to rehabilitate digestion, stop excessive perspiration or to increase “wei qi” (protective mechanisms of the body), a concept similar to our immune system.* 

This adaptogenic herb with a slightly sweet-tasting root contains naturally occurring flavonoids and polysaccharides and has been used for immune system support.* 

Try Lindberg Astragalus Root or other astragalus formulas here. 


Vitamin C 

Vitamin C, a water-soluble vitamin, and it cannot be made or stored by the body, so supplementing with vitamin C is essential. It is a powerful antioxidant and cornerstone of a daily supplement regimen.

Vitamin C offers protection against free radical damage, helps keep capillary walls and blood vessels strong, and supports healthy teeth, gums and bones.* Added rose hips provides one of nature's most concentrated natural forms of vitamin C. It is a valuable vitamin for supporting the immune system.*

Vitamin C, also known as ascorbic acid, is available in a variety of potencies and forms, such as capsules, tablets, time-released formulas, effervescent drink mixes, chewables and powders.

Try Lindberg C-Gram Caps 1,000 mg with Rose Hips or other vitamin C formulas here. 


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