3 Supplements to Consider for ❄️Seasonal Immune Support

But first to be clear:

“Seasonal support” supplements are meant to strengthen immune function over weeks or months—not to be confused with “temporary support” products, which are best taken when you’re already feeling unwell.

Here they are!

1️⃣ Reishi

Reishi is a medicinal mushroom, traditionally used as an adaptogen to support stress resilience. It is rich in beta-glucans, which modulate immune function over time. Powdered reishi can be mixed into coffee or brewed as tea.

2️⃣ Probiotics

Since 70%-80% of the body’s immune cells reside in the gut, a healthy gut microbiome is essential for supporting immune defenses. Probiotics can be consumed as supplements or in fermented foods.

3️⃣ Vitamin D

Especially during darker months, consuming enough vitamin D is essential for immune function. Studies show that low vitamin D levels increase the risk and severity of infections. Vitamin D can be taken as pills. If you don’t know your vitamin D level, ask to get it checked!

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References:

-Chen SN, Nan FH, Liu MW, Yang MF, Chang YC, Chen S. Evaluation of Immune Modulation by β-1,3; 1,6 D-Glucan Derived from Ganoderma lucidum in Healthy Adult Volunteers, A Randomized Controlled Trial. Foods. 2023;12(3):659. [link]

-Wimalawansa SJ. Infections and Autoimmunity-The Immune System and Vitamin D: A Systematic Review. Nutrients. 2023;15(17):3842. Published 2023 Sep 2. [link]

-Yuan C, He Y, Xie K, Feng L, Gao S, Cai L. Review of microbiota gut brain axis and innate immunity in inflammatory and infective diseases. Front Cell Infect Microbiol. 2023;13:1282431. [link]