What is C 500: Uses, Warnings & Interactions

What is C 500: Uses, Warnings & Interactions

Updated Oct 9, 2025 • Published Dec 30, 2020

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C 500 overview

BRAND NAMES:

C-Time w/Rose Hips, Mega-C, One-Gram C, Sunkist Vitamin C, Sunmark Chewable C, Vitamin C with Acerola, Sunkist Vitamin C, Sunmark Chewable C, Vitamin C AvPak, Vitamin C with Acerola, Vitamin C250

Generic Names:

Ascorbic Acid

Uses:

Helps patients who do not have enough vitamin C in the body. It is sometimes used to add acidity to the urine.

Therapeutic Classes:

Calcium Supplement, Nutritive Agent, Vitamin Combination, Adult Formula

Forms:

Tablet, Powder, Chewable Tablet, Long Acting Tablet, Long Acting Capsule, Liquid

How it’s taken:

By mouth

What is C 500 used for?

What form(s) does C 500 come in

Tablet
Powder
Chewable Tablet
Long Acting Tablet
Long Acting Capsule
Liquid

What are common C 500 doses?

Bottle 110 Tablets
Bottle 110 Tablets Chewable
Bottle 110 Tablets Extended Release
Bottle 250 Tablets Chewable
Bottle 250 Tablets
Bottle 100 Tablets

Common C 500 prescriptions

C-500
100 tablets bottle
C-500
100 tablets chewable bottle
C-500
250 tablets bottle
C-500
90 tablets chewable bottle

How to take C 500

Your doctor will tell you how much to take and how often. Always follow the dose instructions on the label if you take this medicine in over-the-counter form.
May be taken with or without food.
Swallow the tablet or capsule whole, do not chew or crush.
Chew the chewable tablet and swallow.
Carefully measure the oral liquid using a marked measuring spoon or medicine cup, or with the dropper that comes with the medicine. This medicine may either be mixed with foods such as cereal and fruit juice, or be dropped into the mouth.
Swallow the tablet or capsule whole, do not chew or crush.
Chew the chewable tablet and swallow.
Your doctor will tell you how much to take and how often. Always follow the dose instructions on the label if you take this medicine in over-the-counter form.
May be taken with or without food.
Carefully measure the oral liquid using a marked measuring spoon or medicine cup, or with the dropper that comes with the medicine. This medicine may either be mixed with foods such as cereal and fruit juice, or be dropped into the mouth.

What to do if you miss a dose of C 500

Try not to miss any doses; however, it is usually not a problem if you miss one or two doses.
Keep all medicine away from children.

C 500 contraindications

You should not use this medicine if you have had an allergic reaction to ascorbic acid (vitamin C).

C 500 warnings

Check with your doctor before taking vitamin C if you are pregnant, breastfeeding, or have any medical problems.
Ascorbic acid may interfere with tests that measure sugar in the urine of patients with diabetes.

C 500 interactions

Make sure your doctor knows if you are taking a blood thinner, such as Coumadin®.
Ascorbic acid may interfere with tests that measure sugar in the urine of patients with diabetes.

C 500 side effects

Serious Side Effects

Nausea and vomiting, stomach pain, diarrhea

Less Serious Side Effects

Nausea and vomiting, stomach pain, diarrhea