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The weather is getting colder. Cold and flu season has quietly crept in with the crisp days. And just as quickly as the snow falls, your nose begins to sniffle, throats become sore and coughing fills the quiet nights. So, what can you do to help support your immune system?

The immune system is a sophisticated network of organs, tissues, cells, proteins, and chemicals crucial in preventing and even controlling many different infections and diseases[1]. When a person has a healthy immune system, the body can do a great job to fight off germs and viruses that can make a person sick.

A few general good health guidelines can help someone take steps towards keeping their immune system healthy. Regular exercise, not smoking, getting adequate sleep, maintaining a healthy weight and hand washing can all help to keep your body in peak condition[2]. Factors like age, stress and medications that affect the immune system are beyond one’s control. Regularly adding a few vitamins and nutrients in your diet could give your immune system the help it needs.

Here are 4 Vitamins You Can Take to Help Support your Immune System:

1. Zinc

Nutrients like Zinc can play a vital role and affect many processes through your body. Though zinc impacts wound healing, taste, smell and metabolism, it is particularly important to the immune system[3]. Found in various cells throughout the body, zinc helps by fighting off invading germs and bacteria[4]. Zinc helps to keep the skin healthy, our largest defense to outside germs.

Because zinc isn’t naturally produced or stored in the body this nutrient must be consumed regularly as part of the diet[5]. Red meat and poultry are common foods with good sources of zinc, and surprisingly Oysters contain more zinc than any other food. Vegetarians can get their recommended zinc from beans, nuts or from many multivitamins or dietary supplements.

2. Vitamin C

Hand reaching for Daily Immune Support

Another important macronutrient for your immune system is Vitamin C. Much like zinc, Vitamin C isn’t made by the body and you must consume this essential nutrient through diet. Found commonly in citrus fruits, it can also be found in strawberries, green vegetables, and tomatoes. At the first sight of infection in the body, Vitamin C helps encourage the production of white blood cells and protects these cells from harmful molecules like free radicals. Also important to the skin, this nutrient aids in collagen production[6].

3. Vitamin D

Vitamin D has an important job of keeping the immune system balanced[7]. Catching some rays from the sun will help your skin produce Vitamin D, but sunscreen and limiting exposure to the sun could have your body not producing enough of this mineral naturally. Many dairy products are fortified with Vitamin D, but still some do not get enough of this nutrient and need to take a supplement.

4.Vitamin B12

Involved in producing red blood cells, maintaining a healthy nervous system and converting food to energy, Vitamin B12 also helps to regulate the immune system and mood[8]. Vital for immune function, without proper levels of B12, your body will not fight off infections. Like other nutrients found to help support your immune system, Vitamin B12 is not made by your body. You need to get vitamin B12 from animal-based foods or from supplements on a regular basis because your body doesn’t store the nutrient for a long time[9].

Many of the nutrients that are essential to help keep your immune system healthy are not produced naturally in the body. The best way to ensure these nutrients are helping to build your healthy immune system is to get them through your diet.

The makers of 5-hour ENERGY® developed the Daily Immune Support Plus 5-hour ENERGY® shot that combines their Extra Strength formula with the added ingredients of Zinc, Vitamin C and Vitamin D3[10]. These essential nutrients and vitamins can help support the immune system. The Extra Strength formula contains a special blend of nutrients and vitamins B6, B12 and B3 (niacin) and about as much caffeine as a 12-ounce cup of premium coffee. 

Three bottles of Daily Immune Support

So, start your day right with a Daily Immune Support Plus 5-hour ENERGY® shot, available in three great flavors: Pink Watermelon, Pineapple Apricot, and Ultra Orange. Each shot has zero calories, zero sugar and a convenient 2 ounce “go anywhere” size. 

Daily Immune Support Plus 5-hour ENERGY® shots are found in select retail locations including Sam’s Club, Harris Teeter and H-E-B.  Or have them delivered directly to your door so they are always on hand from 5-hourENERGY.com, Target.com or SamsClub.com.


Caffeine and vitamins must be taken in moderation, which is also true for 5-hour ENERGY® products. We recommend not taking more than one Daily Immune Support plus 5-hour ENERGY® shot per day, or more than two 5-hour ENERGY® products in a day, spaced at least several hours apart.

Footnotes and sources:

[1] https://www.health.harvard.edu/staying-healthy/how-to-boost-your-immune-system

[2] https://my.clevelandclinic.org/health/articles/21196-immune-system

[3] https://ods.od.nih.gov/factsheets/Zinc-Consumer/

[4] https://ods.od.nih.gov/factsheets/Zinc-Consumer/

[5] https://ods.od.nih.gov/factsheets/Zinc-Consumer/

[6] https://www.mdpi.com/2072-6643/9/11/1211

[7] https://www.pharmacytimes.com/view/vitamin-d-helps-the-immune-system-during-cold-and-flu-season

[8] https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/

[9] https://ods.od.nih.gov/pdf/factsheets/VitaminB12-Consumer.pdf

[10] “A Review of Micronutrients and the Immune System–Working in Harmony to Reduce the Risk of Infection” https://www.mdpi.com/2072-6643/12/1/236n

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