Explanation

• Vitamin Name: B12 (Cobalamin)
• Source: Produced by gut bacteria; present in meat, fish, eggs, dairy
• Function: Essential for RBC formation, nerve function, DNA synthesis
• Not Found In: Fruits and vegetables

Last verified on 16-01-2026

Explanation

Vitamin C (Ascorbic acid) helps prevent browning in fruits.

By inhibiting the enzymes responsible for oxidation.

It is commonly used to keep cut fruits fresh.

Additional information:

• Commonly used in food preservation (lemon juice on fruits)
• Also essential for immunity and collagen formation

Last verified on 16-01-2026

Explanation

The vitamins not stored in the human body are Vitamin C and most B-complex vitamins

 Because they dissolve in water, the kidneys filter out what isn't immediately used, preventing buildup and toxicity but necessitating daily replenishment. 

Vitamin C (Ascorbic Acid): Essential for collagen and immune function, but any surplus is flushed out. 

B Vitamins (except B12): Includes Thiamin (B1), Riboflavin (B2), Niacin (B3), Pantothenic Acid (B5), Pyridoxine (B6), Biotin (B7), and Folate (B9). 

Explanation

• A, D, E, and K are fat-soluble vitamins.
• Fat-soluble vitamins are absorbed by the body along with dietary fats.
• They are present in foods that contain fats.
• The body stores these vitamins in the liver and fat tissue when they are not in use. 
• Megadoses of fat-soluble vitamins can be toxic.

Explanation

Vitamin A is a group of fat-soluble retinoids.

Its preformed version found in animal products is called Retinol.

It is essential for maintaining healthy vision, skin, and immune function.

Explanation

Vitamin C is essential for growth and repair of tissues in the body.

Protein formation: Vitamin C helps form collagen, a protein used to create skin, tendons, ligaments, and blood vessels.

Wound healing: Vitamin C helps heal wounds and form scar tissue.

Bone, teeth, and cartilage repair: Vitamin C helps repair and maintain bones, teeth, and cartilage.

Iron absorption: Vitamin C helps the body absorb iron. 

Vitamin C is also an antioxidant that promotes healthy teeth and gums.

A deficiency in vitamin C can lead to scurvy.

Explanation

Vitamin K is essential for blood clotting and plays a crucial role in the production of platelets, which are vital for stopping bleeding when you're injured.

Vitamin K deficiency can lead to bleeding disorders, easy bruising, and poor wound healing.

Vitamin K helps to:

• Activate clotting factors in the liver
• Produce platelets in the bone marrow
• Form blood clots to stop bleeding

Explanation

• Anemia can be caused by a deficiency of iron or vitamin B9 (folate).
• Iron deficiency impairs hemoglobin production.
• While vitamin B9 deficiency affects red blood cell formation.

Explanation

Vitamins play a crucial role in protecting us from many diseases, such as:

• Vitamin C: boosts immune system, fights off infections
• Vitamin D: essential for bone health, prevents rickets and osteomalacia
• Vitamin E: acts as an antioxidant, protects cells from damage
• Vitamin K: necessary for blood clotting, prevents bleeding disorders

Explanation

ایک ایسی بیماری ہے جس سے کمزوری ہوجاتی ہے اور جسم میں خون کی کمی ہوجاتی ہےScurvy

Scurvy is a disease caused by a serious vitamin C deficiency.

Not eating enough fruits and vegetables is the main cause of the disease. 

scurvy can lead to bleeding gums, loosened teeth and bleeding under your skin.

Vitamin C, also known as ascorbic acid, is necessary for the growth, development and repair of all body tissues.