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Ascorbic Acid vs. Sodium Ascorbate: What's the Difference?

Edited by Aimie Carlson || By Janet White || Published on December 24, 2023
Ascorbic acid is the natural form of vitamin C, while sodium ascorbate is a mineral salt of ascorbic acid, less acidic and easier on the stomach.

Key Differences

Ascorbic acid is a pure form of vitamin C, essential for health, whereas sodium ascorbate is a combination of sodium and ascorbic acid, offering the same vitamin benefits with reduced acidity.
Ascorbic acid is more acidic, which can cause gastrointestinal discomfort in some individuals, while sodium ascorbate is less acidic, making it a gentler alternative.
Both ascorbic acid and sodium ascorbate are easily absorbed by the body, but sodium ascorbate is preferred for those with sensitive stomachs.
Ascorbic acid is commonly used in vitamin C supplements for its natural form, whereas sodium ascorbate is often found in buffered vitamin C supplements.
Ascorbic acid supports immune function, skin health, and wound healing, just like sodium ascorbate, but the latter is often recommended for its lower acidity.

Comparison Chart

Chemical Nature

Pure vitamin C
Mineral salt of vitamin C (ascorbic acid + sodium)


Higher acidity
Lower acidity, more alkaline


Can cause stomach discomfort
Gentler on the stomach

Use in Supplements

Common in standard vitamin C supplements
Found in buffered vitamin C supplements

Health Benefits

Boosts immune system, aids in skin health
Same benefits with reduced gastrointestinal impact

Ascorbic Acid and Sodium Ascorbate Definitions

Ascorbic Acid

Necessary for the growth, development, and repair of all body tissues.
Ascorbic acid is vital for wound healing.

Sodium Ascorbate

Used in supplements for its buffered, more alkaline nature.
Sodium ascorbate is ideal for people who experience acid reflux with regular vitamin C.

Ascorbic Acid

A natural water-soluble vitamin (Vitamin C) found in various fruits and vegetables.
Oranges are a rich source of ascorbic acid.

Sodium Ascorbate

A mineral ascorbate form of vitamin C, with added sodium.
Sodium ascorbate provides the benefits of vitamin C without the acidity.

Ascorbic Acid

An antioxidant that helps protect cells from damage by free radicals.
Ascorbic acid plays a role in combating oxidative stress.

Sodium Ascorbate

Offers the same benefits as ascorbic acid, including immune support.
Sodium ascorbate is effective in supporting immune health.

Ascorbic Acid

Important for maintaining healthy skin, blood vessels, bones, and cartilage.
A diet rich in ascorbic acid can help maintain overall health.

Sodium Ascorbate

A less acidic form of vitamin C, suitable for those with sensitive stomachs.
He chose sodium ascorbate supplements to avoid gastric discomfort.

Ascorbic Acid

An essential nutrient involved in tissue repair and enzymatic production.
Ascorbic acid is crucial for collagen synthesis.

Sodium Ascorbate

A form of vitamin C often used in food preservation and fortification.
Sodium ascorbate is added to some foods to enhance their vitamin C content.


Can ascorbic acid help prevent colds?

While ascorbic acid can boost the immune system, it's not a guaranteed prevention for colds.

Are the health benefits of ascorbic acid and sodium ascorbate the same?

Yes, both provide similar health benefits as forms of vitamin C.

What is ascorbic acid commonly known as?

Ascorbic acid is commonly known as vitamin C.

Is sodium ascorbate safe for everyone?

Sodium ascorbate is safe for most people, but those with sodium-sensitive conditions should be cautious.

How does ascorbic acid benefit the skin?

Ascorbic acid helps in collagen production, essential for skin health.

What's the recommended daily intake of ascorbic acid?

It varies by age and gender, but generally around 75-90 mg for adults.

Does sodium ascorbate raise sodium levels significantly?

The sodium content is relatively low, but it should be considered by those on a low-sodium diet.

Is sodium ascorbate better for sensitive stomachs?

Yes, sodium ascorbate is less acidic and thus gentler on the stomach.

Can ascorbic acid be used in cooking?

Yes, but heat can degrade its potency.

Can ascorbic acid cause kidney stones?

In very high doses, ascorbic acid may contribute to the formation of kidney stones.

Is sodium ascorbate natural or synthetic?

Sodium ascorbate can be either synthetically produced or derived from natural sources.

Does sodium ascorbate have any side effects?

It's generally well-tolerated, but high doses can cause gastrointestinal issues.

Is sodium ascorbate effective in preventing aging?

Its antioxidant properties can help reduce signs of aging.

Can I take sodium ascorbate if I am allergic to corn?

Some sodium ascorbate is derived from corn, so it's best to check with a healthcare provider.

How does sodium ascorbate support the immune system?

It helps in the production of white blood cells and protects them from damage.

How is ascorbic acid absorbed in the body?

It's absorbed in the intestine and distributed throughout the body's water-soluble areas.

Can sodium ascorbate improve iron absorption?

Yes, like ascorbic acid, it can enhance the body's absorption of iron.

Is ascorbic acid good for the heart?

It can contribute to heart health by aiding in the reduction of bad cholesterol.

Can ascorbic acid help with stress?

It's known to reduce cortisol levels, helping the body cope with stress.

What foods are high in ascorbic acid?

Fruits like oranges, strawberries, and vegetables like broccoli and bell peppers.
About Author
Written by
Janet White
Janet White has been an esteemed writer and blogger for Difference Wiki. Holding a Master's degree in Science and Medical Journalism from the prestigious Boston University, she has consistently demonstrated her expertise and passion for her field. When she's not immersed in her work, Janet relishes her time exercising, delving into a good book, and cherishing moments with friends and family.
Edited by
Aimie Carlson
Aimie Carlson, holding a master's degree in English literature, is a fervent English language enthusiast. She lends her writing talents to Difference Wiki, a prominent website that specializes in comparisons, offering readers insightful analyses that both captivate and inform.

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