Immune-Boosting Nutrients

The following nutrients are essential for a healthy immune system and can sometimes be hard to get from diet alone. This protocol can be used for prevention or as a therapy to quickly overcome illness.

Vitamin D3
Supplementing with 4,000 IU per day is optimal for most people
The ideal blood level is between 40–60ng/ml. Individuals with serum levels in this range have the lowest all-cause mortality.
Regular sun exposure increases blood levels, but supplementation is often necessary.

Zinc
20 mg per day of zinc picolinate or zinc gluconate

Vitamin C
500–1000 mg per day may be helpful to maintain optimal immune function
Supplementation is not required if dietary intake is adequate.
Increase the dose to 1,000-4,000 mg/d for up to one week when you are ill. Slowly increase to ensure that your digestive system can tolerate higher doses.

Selenium
Take 200 mcg per day 3-4 times per week
Most Americans get enough from food

Iodine
Use iodized salt liberally
Sea vegetables and pasture-raised dairy products are the best sources.

Black Elderberry (Sambucus nigra)
1 tablespoon (15 mL) of elderberry syrup twice per day

Cordyceps Mushroom
Supplement with 1,000–3,000 mg per day. This range is not associated with side effects and has numerous health benefits.

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Immune Boosting Nutrients

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