The Ultimate Crash Course on Biotin (Vitamin B7)

What is Biotin?
Nicknames – Vitamin B7, Vitamin B8, Vitamin H
Water soluble B vitamin
Skin, hair, and nail vitamin

Biotin Absorption
Absorbed by cells of the small intestine
Pancreas helps this process with the enzyme – Biotinidase
**Inflammatory bowel disease and pancreatic inflammation could contribute to deficiency
Functions of Biotin
Aids in the break down of fats, carbs, and proteins for energy
Aids in building fats
Helps stabilize genetic integrity

What are the Symptoms Caused By Biotin Deficiency
Perioral dermatitis
Graying discoloration of the skin
Seborrheic dermatitis
Alopecia (Hair Loss)
Muscle Pain (Myalgia)
Brittle Nails
Nausea
Depression
Fatigue
Neuropathy (Hyperesthesia)

What Causes Biotin Deficiency?
Excessive raw egg white consumption
Alcohol
Achlorhydria
Pregnancy
Smoking
Parenteral Nutrition
Genetic inborn errors of metabolism
Medicines That Deplete Biotin
Ant-acids
Seizure medications
Anti-biotics (especially Sulfa)
Bariatric Surgery (Stomach Bypass)

Diseases That Have Benefited With Biotin Supplementation
Multiple Sclerosis
Diabetes

Foods Rich in Biotin
Egg
Liver
Mushroom
Spinach
Carrots
Apple
Tomato
Beef
Lettuce
Chicken

How Much Biotin is Safe to Take?
There is No Known Toxicity for Biotin.
5 mg daily for two years showed no toxic effects
Human daily requirement to prevent disease is estimated to be 30-100 mcg/day

References:
Int J Trichology. 2016 Apr-Jun; 8(2): 73–77.
Am J Physiol Gastrointest Liver Physiol. 2011 Mar;300(3):G494-501.
Am J Clin Nutr. 2004 Oct;80(4):932-5.
Am J Clin Nutr. 2002 Feb;75(2):295-9.
Pediatr Dermatol. 2004 May-Jun;21(3):231-5.
Expert Rev Endocrinol Metab. 2008 Nov 1; 3(6): 715–724.
Front Microbiol. 2019 Jul 2;10:1485.

#BiotinCrashCourse

One thought on “The Ultimate Crash Course on Biotin (Vitamin B7)

  1. dragica says:

    You are reaching far indeed. All the way to the Balkans. Your ‘lessons’ are very clear and easy to understand. Thank you.
    I’ve had the hair problem for a few years now, but everything is fine.

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