Symptoms of Pyridoxine (Vitamin B6) Toxicity

Vitamin B6 toicity symptomsVitamin B6, also named pyridoxine, is one of eight water-soluble B vitamins. Vitamin B6 supports more vital bodily functions than any other vitamin. Pantothenic acid is sometimes called the “anti-stress” vitamin.

Vitamin B6 is a coenzyme for several enzyme systems. Pyridoxine is required for the balancing of hormonal changes in women as well as assisting the immune system and the growth of new cells.

Vitamin B6 is not toxic when supplied by food in the diet.
Pantothenic acid supplements usually contain calcium pantothenate in tablets or capsules. Just as there’s no RDA for pantothenic acid, there’s no real overdose level.

Supplemental forms are usually in the form of pyridoxine hydrochloride. The upper limit for adults set by the Institute of Medicine is 100 mg; 100 mg per day is certainly a safe limit, well below the level that might bring on neurological problems.

Supplementation should be controlled as extreme dosage, such as in excess of 2,000 mg per day, may cause neurological damage.

Potential Pyridoxine toxicity symptoms

People on medication for Parkinson’s disease should be careful about taking Vitamin B6 as it can inactivate levodopa.
People taking pyridoxine late at night sometimes experience very vivid dreams.

Vitamin B6 can cause neurological disorders, such as loss of sensation in legs and imbalance, when taken in high doses (200 mg or more per day) over a long period of time.

Pyridoxine toxicity can damage sensory nerves, leading to numbness in the hands and feet as well as difficulty walking.

Symptoms of a pyridoxine overdose may include poor coordination, staggering, numbness, decreased sensation to touch, temperature, and vibration; and tiredness.

Some pantothenic acid is found in almost every food. Good sources are organ meats, salmon, eggs, beans, milk, and whole grains.

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Symptoms of Pantothenic acid (Vitamin B5) Toxicity

At least some pantothenic acid is found in every single food you eat, so there’s no way you can’t get enough. That’s good, because you need pantothenic acid for turning those foods into energy.

Pantothenic acid, in the form of coenzyme A, is needed for the synthesis of cholesterol and the synthesis of steroid hormones such as melatonin.
Most vitamins and minerals have established RDAs, guidelines that tell you the amount you need for basic good health. Pantothenic acid is an exception. It’s the first (but not the last) supplement without an RDA.
Some pantothenic acid is found in just about every food you eat, animal or vegetable

It is easily eliminated in the urine.
Oral contraceptives may increase the need for pantothenic acid. Supplements are usually in the form of pantothenol, a stable form of the vitamin. Supplements are also made from calcium and sodium D-pantothenate. The panthene form of pantothenic acid is a cholesterol-lowering drug used only under expert supervision.

Possible Vitamin B5 toxicity symptoms

It doesn’t appear to be toxic in large dosage, although diarrhea, digestive disturbances and water retention have been reported on dosage exceeding 10 g a day.
Taking 1,500 mg a day over an extended period may cause sensitivity to the teeth.

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Symptoms of Niacin (Vitamin B3) Toxicity

Niacin, also called Vitamin B3, works closely with all the other B vitamins, especially riboflavin and pyridoxine. We need niacin to release energy within your cells and for about 50 other body processes.

Niacin is not toxic when achieved through food. The niacinamide (nicotinamide) form of niacin has not been found to be bothersome when taken in amounts less than 2000 mg per day.
The niacinamide (nicotinamide) form of niacin has not been found to be bothersome when taken in amounts less than 2000 mg per day. Decreased insulin sensitivity and liver toxicity can result from daily amounts over 2000 mg. However, niacin in the form of nicotinic acid can cause “niacin flush” in amounts as low as 35 mg. Nicotinic acid can dilate the capillaries, causing a brief tingling and flushing of the skin.

Liver damage and aggravation of diabetes are possible dangers of such over doses. Patients with of liver disease or abnormal liver function, diabetes, peptic ulcers, gout, cardiac arrhythmias, inflammatory bowel disease, migraine headaches, or alcoholism are more susceptible to the adverse effects of excessive nicotinic acid intake. Doses of 3000 mg or more per day are potentially dangerous therapies and must be supervised.

High dosages can also cause itching, elevated blood glucose, peptic ulcers and liver damage.

Niacin (nicotinic acid) in large amounts is sometimes used to lower LDL cholesterol and triglyceride levels and to increase HDL cholesterol levels. Symptoms may include flushing and, rarely, hepatotoxicity.
The best way to avoid flushing may be to avoid nicotinic acid and take niacin in the form of inositol hexaniacinate (IHN). Doctors in Europe have been prescribing IHN for more than 30 years, but it’s only become available in the United States recently. IHN works on cholesterol just as well as nicotinic acid, but without the side effects. If you’d like to try IHN, talk to your doctor.

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Symptoms of Vitamin B2 overdose

Dietary supplements, such as the vitamin B sup...

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Vitamin B2 (also called as riboflavin) is part of the B-complex group of vitamins. Riboflavin is produced in the body by the intestinal flora and is easily absorbed, although very small quantities are stored, so there is a constant need for this vitamin.

Vitamin B2 is required by the body to use oxygen and the metabolism of amino acids, fatty acids, and carbohydrates. Vitamin B2 is also needed to activate vitamin B6 (pyridoxine), aids to create niacin and assists the adrenal gland. It may be used for red blood cell formation, antibody production, cell respiration, and growth.

The limited capacity to absorb orally administered riboflavin precludes its potential for harm. Riboflavin intake of many times the RDA is without demonstrable toxicity.
A normal yellow discoloration of the urine is seen with an increased intake of this vitamin – but it is normal and harmless.

Potential symptoms of Riboflavin overdose

There is no known toxicity to Vitamin B2. Because Vitamin B2 is a water-soluble vitamin, excess amounts are easily excreted by the body in the urine.

Potential side effects of very high doses may include: itching, numbness, burning or prickling sensations, and sensitivity to light. Excess riboflavin excreted in the urine causes it to become bright yellow in color, which many people notice when they take B vitamin supplements.

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