What are symptoms of vitamin deficiency?

Symptoms of vitamin deficiency can vary widely depending on which vitamin is lacking. Here are some common symptoms associated with specific deficiencies discussed by Andrew Huberman:

Vitamin D Deficiency

• Fatigue and weakness.
• Bone pain and muscle weakness.
• Increased risk of infections.

Vitamin B12 Deficiency

• Fatigue and weakness.
• Anemia, leading to pale skin.
• Nerve problems like numbness or tingling.

Vitamin A Deficiency

• Night blindness or difficulty seeing in low light.
• Dry eyes and skin.
• Increased risk of infections.

Vitamin C Deficiency

• Scurvy, characterized by fatigue, swollen gums, and joint pain.
• Easy bruising and delayed wound healing.

Vitamin E Deficiency

• Neurological problems like coordination issues.
• Weakened immune response.

Thiamine (Vitamin B1) Deficiency

• Fatigue, irritability, and cognitive issues.
• Beriberi, which can affect the cardiovascular and nervous system.

Addressing these symptoms often requires dietary adjustments and supplements, particularly where dietary intake is insufficient 1. It's essential to consult a healthcare provider for a proper diagnosis and treatment plan tailored to individual needs.