The Vitamin Shoppe Liquid C 310 mg Mixed Berry

Our assessment

The evidence shows that The Vitamin Shoppe Liquid C 310 mg Mixed Berry provides a specific dose of vitamin C. Data on this exact product is limited to its listed ingredient and form. For general vitamin C supplementation, the data confirms it supports immune function as an antioxidant [NIH ODS].

How it works

Think of vitamin C as a cellular protector — it helps your immune system fight off infections and supports the repair of tissues throughout your body [NIH ODS]. This liquid form offers a convenient way to get 310 mg per serving, which is above the RDA of 90 mg for men and 75 mg for women [NIH ODS].

Safety profile

Data not available on specific adverse event reports for this product. For vitamin C generally, the tolerable upper intake level is 2,000 mg daily from supplements and food combined [NIH ODS]. High doses above this limit may cause digestive upset, including diarrhea and nausea [NIH ODS].

Our recommendation

This product can be a practical option if you have difficulty swallowing pills. At 310 mg, it provides a moderate dose that is safe for most adults. Always stay below 2,000 mg total from all supplements and food to avoid side effects [NIH ODS].

Supplement labels contain several key sections regulated by the FDA:

• Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
• Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
• % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
• Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
• Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.

Source: FDA Dietary Supplement Labeling Guide