This medication is a multivitamin product used to treat or prevent vitamin deficiency due to poor diet, certain illnesses, or during pregnancy. Vitamins are important building blocks of the body and help keep you in good health.

Melatonin . Other Ingredients : Fructose , Citric Acid , Maltodextrin , Contains Less Than 2% Of : Acacia , Fruit and Vegetable Juice Concentrates ( Cherry , Raspberry , Beet ) ( Color and Flavor ) , Malic Acid , Natural Flavors , Silicon Dioxide , Sucrose , Tartaric Acid , Tocopherols ( To Preserve Freshness ) .

The bottom line. Immunity support products like Emergen-C typically contain several different vitamins and minerals. Although they're intended to help boost your immune system, there's not a lot of evidence that they're effective at preventing illness.

It May Support Immune Function Getting enough vitamin C and vitamin B6 is crucial for healthy immune system function so your body can fight off disease as best as possible, according to the Cleveland Clinic. Emergen-C supplies a hefty dose of each, which is why it may help support immunity.

IT FIGHTS WRINKLES. Research shows that topical applications of vitamin C can help the skin produce collagen, the loss of which is a key sign of aging.

A Quick Review Still, there's inconclusive research about vitamin C's effectiveness in preventing or treating colds in the general population. And the amount of zinc in one serving of Emergen-C isn't enough to shorten a cold. If you still decide to take Emergen-C, keep it to one serving daily.

ZzzQuil is an over-the-counter nighttime sleep aid. The active ingredient in ZzzQuil is diphenhydramine, which is also the active ingredient in the allergy medication Benadryl. Diphenhydramine is an antihistamine that people commonly use to treat allergic reactions, itchiness, and hives.

20 minutes ZzzQuil Nighttime Sleep Aids are great to use on those occasional sleepless nights and can help you fall asleep in as little as 20 minutes. The active ingredient in ZzzQuil is Diphenhydramine HCl, which helps you sleep soundly so you wake up feeling rested and refreshed.

Emergen-C has a high amount of vitamin C, 10 times over the recommended daily intake. Taking vitamin C in such high amounts for a long period of time can lead to adverse health effects and even vitamin C toxicity.

Also, be careful when taking it alongside other supplements containing vitamin C. Emergen-C recommends one packet, one chew, or three gummies daily. Some studies have also suggested that vitamin C can interact with certain medicines, including statins and chemotherapy drugs.

It's important to note that this high of a zinc dose is not advisable to use daily; it was only supplemented at this dosing range to treat illness. While Emergen-C contains some potentially effective ingredients, it also contains a number of ingredients we consider questionable from a health perspective.

Concentration: The sweet spot for the concentration level is between 10 and 20 percent. You definitely want a concentration that's higher than 8 percent for maximum effectiveness. But going over 20 percent could lead to irritation and doesn't increase its benefit.