does vitamin c actually help with immunity
The recommended dietary allowance, or RDA, is 75 mg for most adults, and 2,000 mg is the upper limit â you don't want to go over that because you'll have gastrointestinal distress. [Vitamin C] does support a healthy immune system. So if you're not getting enough vitamin C, you will be more susceptible to colds. If you are taking vitamin C while you have a cold, it could prevent complications such as pneumonia by boosting your immune system. ****.