B vitamins, a group of water soluble vitamins, are highly essential for maintaining one’s health and general well being. B complex vitamins which are obtained from natural food sources like eggs, dairy products, meat and poultry are vital for the metabolism of fats, proteins and carbohydrates. Vitamin B complex consists of eight key B vitamins which include Thiamine, Riboflavin, Niacin, Panthotenic acid, Pyridoxine, Biotin, Folic Acid and Cyanocobalamin.The human body has its own unique compensatory mechanism to release excessive vitamins through urine and feces. However, excessive intake of B complex vitamin supplements (or for that matter any vitamin) can lead to serious health consequences. High amounts of specific B vitamins in the body can unleash a host of symptoms ranging from mild to severe. Some highly probable symptoms of vitamin B overdose are mentioned below.
Top Symptoms Of Vitamin B Overdose
1. Skin Rashes
The appearance of skin rashes is one of the common side effects of vitamin B overdose. The skin will appear flushed, and angry looking welts may appear all over the body. The patient is also likely to complain of an itchy sensation throughout his or her body. The extent to which skin rashes are likely to appear is directly dependant of the intensity of vitamin B complex overdose.
2. Gastrointestinal Problems
This is another common side effect of vitamin B overdose. Taking high dosages of B vitamins can lead to numerous gastrointestinal problems including indigestion, nausea and / or mild diarrhea. People who have a prior history of gastrointestinal problems and older individuals are likely to suffer from excruciating stomach cramps and severe diarrhea after taking high doses of vitamin B.
An overdose of B vitamins can initiate or aggravate the problem of insomnia. Vitamin B overdose can interfere with the normal sleep cycle. High amounts of B complex vitamins particularly vitamin B12 in the blood actually works as an energy booster. Sudden spurt in energy levels can affect the normal sleep patterns and lead to insomnia.
4. Numbness Or Tingling Sensation
This is another lesser known side effect of vitamin B overdose. Patients who have been taking high doses of vitamin B over an extended period of time may experience numbness or a tingling / prickly sensation in the extremities. Some patients may also complain of sporadic tingling sensation in the right side of the body. In fact, this tingling or prickly sensation is one of the early warning indicators of vitamin B 12 overdose.
5. Mood Swings
Vitamin B overdose not only affects one’s physical well being but it can have a negative effect on an Individuals mental health as well. Extreme mood swings, restlessness, depression, panic attacks are some the negative side effects of vitamin B overdose. Paranoia, confusion, mental fogginess caused by high amounts of vitamin B complex in the body can worsen mood swings.
6. Hypertension / Hypotension
Vitamin B complex overdose can cause hypertension or hypotension. Excessive levels of vitamin B1 or thiamine in the body can cause hypertension or high blood pressure, while an overdose of riboflavin also known as vitamin B2 can cause hypotension or low blood pressure. Hypertension or hypotension due to vitamin B complex overdose can in the long run affect the normal functioning of the cardiovascular system.