B Complex Vitamins

The Importance Of B Complex Vitamins

B complex vitamins on a norm delivers eight of the B vitamins: B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B7 (biotin), B9 (folic acid), and B12 (cobalamin). Naturally found in meat, leafy greens, dairy, beans, peas, and whole or fortified grains, B complex vitamins assist your body to produce energy from the food you eat, form red blood cells, and plays an important role in certain bodily functions. We’ve laid down benefits, signs of deficiency, and food sources to get these B complex vitamins.

B1 (Thiamine)

Health Benefits

  • Pushes the body use carbohydrates from food to make energy
  • Required for a healthy brain, muscles, and nervous system
  • Highly important for the growth, development, and function of cells in the body

Signs of a Deficiency

  • Weight loss
  • Short-term memory loss
  • Weakness
  • Fatigue
  • Cardiovascular symptoms
  • Irritability
  • Beriberi

Food Sources

Regular food sources of vitamin B1 include but not limited to fortified breakfast cereal, enriched and whole grain products (bread, breakfast cereals, rice, noodles, and flour), wheat germ, pork, trout, black beans, mussels, and tuna.

B2 (Riboflavin)

Health Benefits

  • Works along with other B vitamins (helps convert B6 into a usable form and aids in niacin production)
  • Helps in conversion of food into energy
  • Required for red blood cell making and development
  • Maintains the eyes, nervous system, and skin healthy

Signs of a Deficiency

  • Skin problems
  • Swelling of the mouth and throat
  • Cracks at the corners of the mouth
  • Swollen, cracked lips
  • Hair loss
  • Sore throat
  • Sensitivity to light.

Food Sources

Food sources of vitamin B2 include milk and dairy products, fortified breakfast cereals, beef liver, clams, portobello mushrooms, almonds, and chicken.

B3 (Niacin)

Health Benefits

  • Helps in the conversion of food into energy
  • Assist enzymes in the body work properly by helping the body use other B vitamins and make and repair DNA (the genetic material found in all body cells)
  • Required for the manufacturing of hormones, such as sex and stress hormones
  • Helps with the function of the digestive and nervous systems and skin
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Signs of a Deficiency

  • Digestive problems
  • Canker sores
  • Fatigue
  • Inflamed skin
  • Poor circulation
  • Depression
  • Vomiting
  • Pellagra

Food Sources

Regular food sources of vitamin B3 include eggs, fish, fortified bread and cereal, rice, nuts, milk and dairy, chicken, beef, turkey, lamb, organ meats, peanuts.

B5 (Pantothenic Acid)

Health Benefits

  • Breaks down fats and carbohydrates for energy
  • Plays a major role in the production of sex and stress hormones in the adrenal glands and neurotransmitters
  • Helps the body use other vitamins, such as riboflavin
  • Vitamin B5 is required for the production of red blood cells and cholesterol

Signs of a Deficiency

  • Burning feet
  • Depression
  • Fatigue
  • Insomnia
  • Irritability
  • Stomach pains
  • Upper respiratory tract infections
  • Vomiting

Food Sources

Some food sources of vitamin B5 include meat, avocado, broccoli, kale, eggs, milk, mushrooms, fortified cereals, organ meats, poultry, potatoes, and legumes.

B6 (Pyridoxine)

Health Benefits

  • Required by the body to use and store protein and carbohydrates from food (in the form of glycogen, a stored energy in the muscles and liver)
  • Required for more than 100 enzyme reactions in the body. It aids in the formation of hemoglobin (a substance in red blood cells that carries oxygen through blood) and neurotransmitters and hormones that influence mood and regulate the body’s clock
  • Needed in immune function and brain development and function

Signs of a Deficiency

  • Depression
  • Difficulty concentrating
  • Irritability
  • Muscle weakness
  • Nervousness
  • Short-term memory loss

Food Sources

Food sources of vitamin B6 include chickpeas, beef liver, tuna, salmon, chicken breast, fortified breakfast cereal, potatoes, turkey, fruits (except citrus), and beef.

B7 (Biotin)

Health Benefits

  • Assists the body convert the fats, carbohydrates, and proteins in the food that you eat into energy
  • Required to make fatty acids
  • Promotes growth and bone and hair health

Signs of a Deficiency

  • Hair thinning or loss
  • Skin rashes around the eyes, nose, mouth, or other mucous membranes
  • Dry eyes
  • Brittle nails
  • Muscle pain
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Food Sources

Food sources of vitamin B7 include beef liver, egg yolk, wheat germ, pork, beef, sunflower seeds, sweet potato, almonds, whole grain foods, sardines, spinach, and broccoli.

B9 (Folic Acid)

Health Benefits

  • Aids the body in making red blood cells
  • Required to help cells make and maintain DNA
  • Reduces the risk of birth defects in the brain and spine, such as spina bifida

Signs of a Deficiency

  • Diarrhea
  • Difficulty remembering
  • Gingivitis
  • Loss of appetite
  • Shortness of breath
  • Irritability
  • Tongue inflammation
  • Poor growth

Food Sources

Common food sources of vitamin B9 (folate) include spinach, beef liver, broccoli, Brussels sprouts, beans and legumes, asparagus, orange juice, peanuts, avocado, dark leafy greens, fortified cereals, and salmon.

B12 (Cobalamin)

Health Benefits

  • Helps keep the nervous system and red blood cells healthy
  • Required for the formation of red blood cells and DNA
  • Important for protein metabolism

Signs of a Deficiency

  • Fatigue
  • Weakness
  • Constipation
  • Lack of appetite
  • Weight loss
  • A type of anemia known as megaloblastic anemia
  • Numbness and tingling in the fingers and toes
  • Nerve damage

Food Sources

Food sources of vitamin B12 are primarily found in animal foods, such as beef liver (and other organ meats), clams and other shellfish, beef, chicken, fish, eggs, milk and other dairy products, and some fortified cereals.

Roles 

With a key role in converting food into fuel, crusaders claim that B complex vitamins can help with a variety of conditions, including anxiety, depression, heart disease, and premenstrual syndrome (PMS).

In addition, some persons take a vitamin B complex to increase energy, enhance mood, improve memory, boost skin and hair health and stimulate the immune system.

Meanwhile most people who eat a varied diet get enough B vitamins from food, some people are at an increased risk of deficiency, particularly those who are over the age of 50, take antacid medication, or have celiac disease, Crohn’s disease, gastritis, or other digestive disorders.

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If you have had stomach or weight loss surgery, drink alcohol regularly, or follow a vegetarian or vegan diet, you may be more prone to a deficiency.

Pregnant and breastfeeding women may require more of vitamins B6, B12, and folic acid.

Possible Side Effects

Though B complex supplements are water-soluble and do not stay in the body for long, enormous doses of the vitamins in supplement form can result certain side effects:

  • B3 (niacin): Skin flushing or pain, elevated blood sugar levels, and liver toxicity.
  • B6 (pyridoxine): Nerve damage, skin lesions, worsening of kidney function, and increased risk of heart attack, stroke, and death in people with diabetes and advanced kidney disease. Recent studies have found that high doses of vitamin B6 were associated with a slightly increased risk of hip fracture and increased risk of lung cancer (when taken with vitamin B12).
  • B9 (folic acid): Kidney damage, increased insulin resistance in offspring, lower natural killer cell activity in older women, and may be associated with increased risk of some cancers. Can mask the diagnosis of a vitamin B12 deficiency.
  • B12 (cobalamin): Acne and rosacea in some people. Vitamin B12 has been found to speed the decline in kidney function and increase the risk of cardiovascular events in people with impaired kidney function. High doses of vitamin B12 taken with folic acid have been associated with a greater risk of cancer and mortality.

There is a daily tolerable intake level (UL) for each B vitamin, which is above what most people need. Getting more than the UL increases your chances of side effects.

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