Should you take Zinc, Vitamin C or Vitamin D when you get a cold or the flu? ... The global cold and flu supplements market size was valued at $13.85 billion in 2019.

Vitamin D is thought to protect against illness by boosting levels of natural, antibiotic-like peptides in the lungs. This may be one reason why colds and flus are most common in the winter, when ...

Vitamin D, he adds, should probably be placed alongside the many other popular cold-and-flu remedies – such as vitamin C, zinc, echinacea, and garlic – whose supposed benefits have not stood ...

Feb. 24 -- MONDAY, Feb. 23 (HealthDay News) -- Forget the apple. The largest study of its kind to date shows that vitamin D each and every day is what will keep the doctor away when it comes to ...

At the very first sign of cold symptoms, many people reach for Vitamin C, whether in supplements, juices, cough drops, tea, or other forms. Vitamin C was first touted for the common cold in the ...

Vitamin D protects against colds and flu, finds major global study. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2017 / 02 / 170216110002.htm.

However, Vitamin D is unlikely to help when you’re already experiencing symptoms. “If you have a vitamin D deficiency and you get a cold, you’re probably not going to be able to top up your ...

Vitamin C has many health benefits, but there is little scientific evidence it protects people from the common cold. “It gets out in the lay public and just gets self-perpetuated,” Ginde said.

The common cold has several myths. Also, with flu season almost here, look at some of the most common questions about it. Will Vitamin C really ward off that cold?

Bell peppers contain 80.4mg of vitamin C per 100g, surpassing lemons, which have just 53mg for the same weight, reports Surrey Live. Oranges also contain 53.2mg per 100g, while grapefruits offer ...

The people in the vitamin D group came down with an average of 3.7 bouts of cold or flu, compared to 3.8 in the placebo group – a statistically negligible difference.

Vitamin D supplements protect against acute respiratory infections including colds and flu, according to a study led by Queen Mary University of London (QMUL). The study provides the most robust ...