Vitamin B6 is a water-soluble vitamin found in a variety of animal and plant-based foods.
This key B vitamin serves a variety of functions in the body, from maintaining a healthy nervous system to converting food into cellular energy to forming red blood cells.
Most adults need between 1.3-1.7 mg of Vitamin B6 every day, with pregnant and breastfeeding women and teens needing a bit more.
Vitamin B6 (pyridoxine) is part of the B vitamin group of water soluble nutrients, and it plays a vital role in the proteins in the body. Interestingly, the more protein, you eat the more Vitamin B6 your body needs. 
But what is Vitamin B6 and how much should take every day? And what are the symptoms of Vitamin B6 deficiency?
Learn more about Vitamin B6 and how you can incorporate this important nutrient into their diet.
What Is Vitamin B6?
As a water-soluble nutrient, Vitamin B6 is found naturally in a variety of foods from both plant and animal sources. Because your body cannot manufacture Vitamin B6, you need to get it either from dietary sources or vitamin supplements. In fact, ensuring you have adequate Vitamin B6 intake is critical for optimal health.
This key nutrient helps more than 100 enzymes in performing various jobs throughout the body, such as breaking down proteins, carbohydrates, and fats; playing a role in cognitive development and function; maintaining normal homocysteine levels (an amino acid in the blood important for heart and brain health) and supporting immune function and brain and nervous system health. [2,3]
When Should I Take Vitamin B6?
As mentioned, Vitamin B6 is a water-soluble vitamin. Your body stores water-soluble vitamins in limited amounts to use what’s needed when its needed, and excretes any excess through the urine. 
You should make sure you have an adequate intake of Vitamin B6 every day. While the daily dosage of Vitamin B6 depends on your age, sex, and life stage, health experts recommend that most adults get between 1.3-1.7 mg/day, with pregnant and breastfeeding women and teens needing a bit more (between 1.9-2.0 mg/day, respectively. 
As always, the best source of important vitamins and minerals comes from eating a balanced diet of nutrient-dense foods. If a food contains B6, it likely contains other B Vitamins, too, as they’re often found together in varying quantities in the same foods. Dietary sources of Vitamin B6 include both animal- and plant-based options, including fish (tuna), meat (beef, pork, turkey), leafy greens, starchy vegetables (potatoes), non-citrus fruit (avocados, bananas), legumes (chickpeas), and fortified breakfast cereal. [3,5]
You can incorporate Vitamin B-rich foods into your diet in a variety of ways. Need some ideas? Make a tuna sandwich or grill some salmon. Pan-fry beef liver (if you’re a fan) or make a meatloaf or burgers out of lean ground beef. Cook pork tacos or roast a turkey. Need some plant-based options? Toss chickpeas onto a salad, stir them, or add them to a soup. Eat a bowl of fortified cereal for breakfast or a snack, with a plant-based milk alternative (like oat milk or almond milk). Mash avocado and spread it on whole-grain bread or blend it into a healthy smoothie. Eat a baked potato topped with chopped broccoli or toss potato chunks into soups and stews. Spread some nut butter on a banana to eat as a healthy snack or throw banana slices into your avocado smoothie.
What Functions Does Vitamin B6 Serve For The Body?
Among other health benefits, Vitamin B6 plays in important role in a variety of bodily functions, including the following. [3,4,6]
Is necessary for normal function of the nervous system
Helps convert food into cellular energy.
Is necessary for healthy red blood cell formation
Helps regulate homocysteine metabolism (a byproduct created during protein digestion)
Plays a critical role in the proper development of the baby’s nervous system
Supports the production of Sam-e (important to neurotransmitter function and mood health)
Most people obtain enough Vitamin B6 through their diet, so a deficiency in this specific nutrient is rare. However, if you’re deficient in other B Vitamins (such as Folate and Vitamin B12 and Folate), you face a greater likelihood to also be deficient in Vitamin B6. 
However, though rare, a B6 deficiency can happen with certain groups of people who face a higher risk of being deficient. Those at greater risk of Vitamin B deficiency include excessive alcohol consumption, pregnant women, obese people, smokers, and people with certain conditions.  These people may benefit from taking Vitamin B6 supplements.
Symptoms of having very low Vitamin B6 levels can include scaly skin on the lips, cracks at the corners of the mouth, itchy rashes, and a swollen tongue. 
How Is It Different From Other B Vitamins?
As part of the B complex vitamins, Vitamin B6 is included, along with seven other B Vitamins. They often work together performing different but important functions in the body. While you can read more in-depth details in our complete guide to the B Vitamins, here’s a quick recap of how the other B vitamins work.
Vitamin B1 (Thiamin): Thiamin (Vitamin B1) is needed to help produce cellular energy from the foods you eat, and also supports normal nervous system function.
Vitamin B9 (Folic Acid): Folic Acid (Vitamin B9) is most commonly known for its role in fetal health and development as it plays a critical role in the proper development of the baby’s nervous system.
Vitamin B12 Vitamins (Cobalamin): Vitamin B12, or cobalamin, plays an important role in the pathways of the body that produce cellular energy. It is also needed for proper red blood cell formation and for normal nervous system function
What is Vitamin B6? As a water-soluble vitamin found in a variety of foods, Vitamin B6 (a.k.a. pyridoxine) provides a variety of health benefits. Vitamin B6 helps promote healthy nervous system function, converts food into cellular energy, and is necessary to form healthy red blood cells. This vital nutrient is found naturally in fish, meat, starchy vegetables, fortified breakfast cereals, legumes, non-citrus fruit. While the recommended daily dosage depends on your age, sex, and life stage, most adults need between 1.3-1.7 mg/day, with pregnant and breastfeeding women and teens needing a bit more. Though low Vitamin B6 is rare, symptoms range from scaly skin on the lips, cracks at the corners of the mouth, itchy rashes, and a swollen tongue Certain people are more likely to develop low Vitamin B6, including pregnant women, excessive alcohol consumption, and obese people. Talk to your health professional if you’re concerned about your Vitamin B6 levels and ask about Vitamin B supplements, if needed.
Lisa Beach is a seasoned journalist whose work has been published in The New York Times, Good Housekeeping, Eating Well, Parents, AARP’s Disrupt Aging, Optimum Wellness, and dozens more. She also writes for a variety of health/wellness-focused brands. Check out her writer’s website at www.LisaBeachWrites.com.
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