Ascorbic Acid (Vitamin C)

Benefits:

• Antioxidant Properties: Helps to neutralize free radicals, reducing oxidative stress in the body.
• Immune Support: Contributes to the normal function of the immune system.
• Collagen Synthesis: Plays a critical role in the production of collagen, which is important for the health of skin, cartilage, bones, and blood vessels.
• Iron Absorption: Enhances the absorption of non-heme iron from plant-based foods.

Uses:

Dietary Supplements:

• Usage: Ascorbic acid can be taken as a dietary supplement to boost vitamin C intake.
• Dosage: Typical recommended daily intake ranges from 65 to 90 mg for adults, with an upper limit of 2,000 mg per day to avoid side effects like stomach upset and diarrhea.
• Formulation: It can be used in capsules, tablets, or dissolved in water for a drinkable solution.

2. Skincare (Topical Use):

• Usage: Ascorbic acid is used in serums, creams, and lotions for its antioxidant and brightening properties.
• Formulation Percentage:
  • Low Concentration (5%): Suitable for sensitive skin or beginners.
  • Medium Concentration (10% to 15%): Commonly used for regular antioxidant benefits.
  • High Concentration (20% to 25%): For stronger effects, such as reducing pigmentation and boosting collagen production.
• How to Use: Apply a few drops of a serum containing ascorbic acid to clean, dry skin, usually in the morning. Follow up with a moisturizer and sunscreen, as vitamin C can make the skin more sensitive to the sun.

3. Food Preservation:

• Usage: Ascorbic acid is added to foods to prevent oxidation and maintain freshness, particularly in fruits, vegetables, and beverages.
• Formulation Percentage: Typically ranges from 0.01% to 0.1%, depending on the food type and desired shelf life.

4. Beverages and Fortified Foods:

• Usage: It is added to juices, drinks, and fortified foods to increase vitamin C content.
• Formulation Percentage: For beverages, the percentage usually ranges from 0.02% to 0.1%, ensuring a beneficial amount without altering the taste significantly.

Important Notes:

• Stability: Ascorbic acid is sensitive to light, heat, and air, so it should be stored in airtight, dark containers, ideally in a cool place.
• pH Consideration in Skincare: For maximum stability and effectiveness, skincare products with ascorbic acid should have a pH below 3.5.