Vitamin B complex is required for proper functioning of the body. But an excessive dose of the same can cause numerous side effects. Explore the adverse effects of taking excess vitamin B complex.

Vitamin B Complex Side Effects

Vitamin B complex is not one type of vitamin, but a combination of eight kinds of vitamin B, which are water soluble in nature. Though it was initially considered to be only one kind of vitamin supplement, medical scientists later discovered that vitamin B complex was in reality eight vitamins put together. Vitamin B complex consists of vitamins B1, B2, B3, B5, B6, B9, B12 and the combined vitamins of Choline, Inositol and Biotin. Vitamin B complex is soluble in water which also means that the excessive amounts will be flushed out from the human body along with the urine. However, it is when a person consumes the wrong type of vitamin B complex without the advice of a medical practitioner that the side effects occur. Vitamin B complex side effects occur because of an excessive or wrong use of the vitamins, however the problems are not very often seen or heard of. 
Adverse Effects Of Excess Vitamin B Complex
Every kind of nutrient, be it vitamin, protein or mineral is essential for the proper functioning of the human body. Therefore, a certain amount of nutrient is required to stay fit and healthy. Following this norm, vitamin B complex should also be consumed on a regular basis. But one should keep in mind that  excess of anything is not good. Some of the side effects of excess vitamin B complex in the human system are:
Excess Of Vitamin B1 or Thiamine
  • Sleeping difficulties
  • High blood pressure
  • Skin irritation and allergies
  • Unstable heartbeat
  • Agitated and excited nature
Excess Of Vitamin B2 or Riboflavin
  • Low blood pressure
  • Tiredness
  • Lack of blood
  • Nausea and tendency of vomiting frequently
Excess Of Vitamin B3 or Niacin
  • High levels of diabetes
  • Headaches
  • High levels of uric acid
  • Skin irritation
  • Liver dysfunction
  • Stomach disorders
  • Cardiac problems
  • Drop in calcium level
Excess Of Vitamin B5 or Pantothenic Acid
  • Tiredness
  • Depression
  • Edema
  • Joint pain
  • Gastroenteritis
  • Loss of body fluid
  • Improper metabolism
Excess Of Vitamin B6 or Pyridoxine
  • Depression
  • Numbness
  • Uncoordinated muscle movements
  • Mood disorders
Excess Of Vitamin B9 or Folic Acid
  • Stomach disorders
  • Renal failure
  • Gas
  • Nausea
  • Decreased appetite
  • High cholesterol
Excess Of Vitamin B12 or Cyanocobalamin:
  • Numbness of fingers and facial muscles
  • Agitation
There are several side effects of vitamin B complex. But it is to be kept in mind that these side effects occur only when you consume an excess of the eight vitamins, which are together known as vitamin B complex. Therefore, always make sure to consult your doctor before you pop in a pill of vitamin B complex into your mouth.

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