Can vitamin c cause redness?

If there’s one thing people love to do, it’s take supplements. Whether you’re trying to boost your immune system or just hoping to cure all of life’s ailments with a simple pill, popping vitamins has become part of daily routine for many folks out there.

But what about vitamin C? This little supplement powerhouse is known for its antioxidant properties and the ability to fight off colds and flu. But can it also cause redness in some cases? Let’s break down this phenomenon.

What Is Vitamin C?

Before we dive into whether vitamin C can cause redness (spoiler alert: yes), let’s talk about what exactly this nutrient is. Vitamin C, also known as ascorbic acid, is a water-soluble vitamin that plays an essential role in various bodily functions. It acts as an antioxidant, which helps protect cells from free radicals (molecules that damage healthy cells) and supports collagen formation – an important protein found in skin tissues.

Why Do We Need Vitamin C?

As mentioned before, vitamin C plays numerous vital roles throughout our bodies including:

  • Supporting immunity
  • Promoting wound healing
  • Aiding iron absorption
  • Protecting against chronic diseases

So needless to say, it’s something we don’t want to be without!

Can Vitamin C Cause Redness?

Ah yes…the burning question: does taking too much of a good thing like vitamin c come at any cost? Well researchers have noted that excess intake of this super-nutrient may lead not only affect digestive health but could result in skin-related problems such as rashes (1).

This could then go on further manifest into development of lupus-like syndrome (super duper rare guys). And if you’re one lively banana who enjoys eating very large amounts (more than 1000mg) worth tonnes then please monitor yourself more carefully.

That being said, it’s essential to note that redness caused from too much vitamin C is a relatively rare occurrence that typically only happens when an individual takes excessively high doses of the nutrient over several months.

How Much Vitamin C Is Too Much?

The recommended daily intake (RDI) for vitamin C in adults is 90 milligrams. That being said, tolerable upper limit (TUL) has been set – this marks amount above which humans might experience symptoms ((1). It’s around 2000mg/day irrespective of routes used such as supplement or dietry sources perhaps by drinking guava juice with breakfast everyday ([[my personal favourite]]).

Prolonged use at levels above this TUL can lead unwanted outcomes like cramps and stomach discomfort. Taking mega-doses without proper advice often leads to needless expense- some pills were created equal but swallowing them up may come with their own flare ups if you’re not wary enough!

So be sure you’re taking amounts within reasonable ranges as super high dose regimen could turn previously friendly friend into foe!

Other Possible Causes of Redness

Before cutting back on your beloved vitamin c intake because the thought scares you too much, remember that numerous other reasons why someone might see rouge –stressful life events ,sun exposure,,infections,abnormal skin reactions are just few examples as well!

So always approach perceived anomalies with caution –nothing beats visiting a clinician even if initially signs may appear negligible. Wait…is excessive consumption really making me look bad? So whether your reddening cheeks stem from excess shipping costs OR dietary supplements worth their salt- ensure to respect journey ahead all while keeping eye out for any lurking culprits (that zit popping party looks enticing though).


In summary and contrary to what one would think excessively consuming (particularly prolonged dosages) Vitamin C could potentially lead to redness in some individuals. Although rare it’s just another reminder that too much of anything is not always good for the body.

Remember to keep an eye out on dosages and ensure you’re taking no more than 2000mg of vitamin C a day- while still ensuring your dietary needs are met!


  1. Office Of Dietary Supplements (n.d.), Vitamin C: Fact Sheet For Health Professionals, Retrieved On May 2022 From

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