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Immune Function

The immune system is a complex network of tissues, organs, cells, and chemicals that protects the body from infection and illness. According to research or other evidence, the following self-care steps may be helpful.
Whether you are feeling under the weather or simply looking to keep colds, coughs, and flu at bay, use the guides below for products to bring you comfort and help you to get you back on your feet when you’re down.
Sleep Aids
If you have trouble sleeping, an occasional over-the-counter sleep aid may help you get the ZZZs you need.
Pain Relievers
Minor pain may be managed at home with the help of an over-the-counter pain reliever. Find out which one might be right for you.
Immune-System Support
Give your immune system some support with these simple tips and helpful products.
Hot & Cold Therapies
Hot and cold therapies, such as heating pads and ice packs, use varying temperatures to lessen symptoms and decrease pain and swelling.
Humidifiers & Vaporizers
Humidifiers and vaporizers can soothe dry sinuses, relieve symptoms of a cold or sinus infection, and help minimize dry skin and chapped lips during dry winter months.
Nasal Sprays
Stuffy head? Find a nasal spray product to sooth nasal and sinus irritations.
Cold & Flu Medicines
Stock your medicine cabinet with relief products so you’re prepared when cold and flu germs strike.
Fever Reducers
There are three types of fever reducers. Read our guide for a quick overview on maximizing benefits and minimizing risks of using these products.

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The information presented by TraceGains is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2025.