Muscle & Fitness logo Muscle & Fitness

  • Workouts

    Workouts

    • Workout Routines
    • Workout Tips
    • Fitness
    • Athlete/Celebrity Workouts
    • Exercise Videos
    Find Exercises Targeting…
    • Abs and Core Exercises
    • Arm Exercises
    • Back Exercises
    • Chest Exercises
    • Leg Exercises
    • Shoulder Exercises
  • Nutrition

    Nutrition

    • Healthy Eating
    • Lose Fat
    • Gain Mass
    • Supplements
    • Performance Nutrition
    Girl holding a linear bar
    Healthy Eating

    Behind the Bar: Why Linear Bar’s Founder Decided the Protein Bar Industr...

    Female with a healthy gut health avoiding inflammation eating healthy non-processed foods recommended by a Gastroenterologist
    Healthy Eating

    Low Energy, Bloating, and Brain Fog? Your Gut Health Could Be the Reason...

    Korean side dish Kimchi holds nutritional benefits for gut health
    Healthy Eating

    What Science Says About the Immune-Boosting Power of Kimchi

    Scientist performing tests on processed foods and whole foods
    Healthy Eating

    Study Reveals Processed Foods Cause Overeating and Slow Fat Loss

  • Athletes & Celebrities

    Athletes & Celebrities

    • News
    • Interviews
    • Women
    • Pro Tips
    • Behind-the-Scenes
    • Videos
    Female UFC Fighter Valentina Shevchenko holding the championship belt
    Pro Tips

    UFC Champion Valentina Shevchenko Shares Her Recovery Secret

    Boxer Shane Mosely lifting heavy weights for better endurance for his upcoming fight against Serhii “El Flaco” Bohachuk
    News

    A Look Inside Shane Mosley Jr.’s Brutal Fight Camp

    College football player Kemari Copeland and one of NFL top prospect squats 605 lbs
    News

    Meet the Virginia Tech Beast Rewriting Strength Records

    Nick Lavery's interview on M&F Youtube Channel
    Interviews

    5 Key Takeaways From Nick Lavery's Fit To Serve Interview

  • Features

    Features

    • From our Partners
    • Active Lifestyle
    • M&F: Fit to Serve
    • Gear
    • News
    • Opinion
    Muscle and Fitness writer Scott Falstead tries the Gladiators Experience with American Gladiators
    Challenges

    I Tried the Gladiators Eliminator Course—and It Completely Destroyed Me...

    Personal trainer Jeff Payne
    From our Partners

    What Makes a Great Personal Trainer and How To Know if Yours Is the Real...

    Senior Military Editor, Honorable Rob Wilkins with the leaders of the 2026 MILITARY WELLNESS SYMPOSIUM
    News

    5 Key Takeaways From Spring 2026 Military Wellness Symposium

    Cbum holding a rock while wearing pants from his 2026 collection from GymShark
    From our Partners

    ‘Unfinished’ Business: Chris Bumstead Announces New Collaboration with G...

  • Anti-Aging

    Anti-Aging

    • Functional Medicine
    • Hormone Optimization
    • Recovery
    • Wellness
    Wellness retreat attendees performing yoga at SHA wellness retreat
    Wellness

    Can Your Biomarkers Build A Vacation Itinerary?

    Elderly man placing weights on a barbell
    Wellness

    Strength Training Is the New Anti-Aging Drug

    Supplement stack
    Functional Medicine

    The 5-Supplement Stack That Slows Aging and Boosts Muscle Growth

    Muscular and fit athlete next to a peptide compound
    Functional Medicine

    Are Peptides a Performance Breakthrough or Manufactured Controversy?

  • Flex

    Flex

    • Olympia Coverage
    • Athletes
    • Nutrition
    • Training
    • Videos
    The Menace Podcast 2026 New York Pro predictions
    News

    Bodybuilding Experts Predict Major Upset at the 2026 New York Pro

    Classic Physique bodybuilder, Mike Sommerfeld bodybuilding tips and warning against overtraining
    Training

    Mike Sommerfeld explains the worst time to overtrain

    Ryan Terry
    Nutrition

    The Simple Breakfast Behind One of the Best Physiques in the World

    Conner Benn training for his fight against Ryan Garcia
    News

    Conor Benn Looks Ripped as He Readies for Ryan Garcia

  • Hers

    Hers

    • Workouts
    • Nutrition
    • Supplements
    • Athletes & Celebrities
    • Features
    Female bodybuilder Erin Stern performing her lower body workout and top 3 inner thigh exercises for a tone and sculpted legs
    Hers Workouts

    These 3 Exercises Will Transform Your Inner Thighs—Fast

    social media fitness influencer and inspirational personal trainer, Stephanie Sanzo performs her birthday leg day workout
    Hers Workouts

    Stephanie Sanzo Proves Age Is Just a Number Each Leg Day

    Fitness Coach Anna McManamey-Cashion shares her tips for a post-binge reset for fitness and a healthy gut
    Muscle & Fitness Hers

    3 Proven Post-Binge Tips to Get Back on Track Fast

    Tiffany Stratton
    Muscle & Fitness Hers

    Tiffany Stratton Is Prepping for Her Return to Another Stage

  • Olympia

    Olympia

    • Olympia Coverage
    • Buy Tickets
    Caesar Bacarella performing a dumbbell workout with biceps curls
    Pro Tips

    Caesar Bacarella Is Building a Fitness Empire at Full Speed

    Olympia-2019-Whiteny-Jones-Press-Conference
    Interviews

    Whitney Jones Can Break, But Can Never Be Broken

    IFBB Wellness Pro Yarishna Ayala
    Interviews

    Yarishna Ayala Shares Advice for Future Wellness Division Competitors

    2021 Mr. Olympia Top 3 winners Brandon Curry, Big Ramy, Hadi Choopin
    News

    BIG RAMY WINS THE 2021 OLYMPIA!

Subscribe to YouTube Subscribe to the Newsletter Terms of Use Privacy Policy Cookie Policy Accessibility Statement Do Not Sell
  • Workouts
    • Workout Routines
    • Workout Tips
    • Fitness
    • Athlete/Celebrity Workouts
    • Exercise Videos
  • Nutrition
    • Healthy Eating
    • Lose Fat
    • Gain Mass
    • Supplements
    • Performance Nutrition
  • Athletes & Celebrities
    • News
    • Interviews
    • Women
    • Pro Tips
    • Behind-the-Scenes
    • Videos
  • Features
    • From our Partners
    • Active Lifestyle
    • M&F: Fit to Serve
    • Gear
    • News
    • Opinion
  • Anti-Aging
    • Functional Medicine
    • Hormone Optimization
    • Recovery
    • Wellness
  • Flex
    • Olympia Coverage
    • Athletes
    • Nutrition
    • Training
    • Videos
  • Hers
    • Workouts
    • Nutrition
    • Supplements
    • Athletes & Celebrities
    • Features
  • Olympia
    • Olympia Coverage
    • Buy Tickets
  • Resources & Highlights
    • Topics
    • Videos
    • Podcasts
    • Contact
    • Terms of Use
    • Privacy Policy
    • Cookie Policy
    • Accessibility Statement
    • Do Not Sell

Stay Connected

Newsletter Signup

Stay up to date

Sign up below to receive our newest workout routines, recipes, news stories, and offers from our partners

Facebook Twitter Youtube Pinterest
Open menu button
Open search bar button
×

Search M&F

Featured Articles
Lean Muscle
Healthy Eating

28-Days-to-Lean Meal Plan

With the right plan and the right discipline, you can get seriously shredded in just 28 days.

Read article
Glamorous Hollywood actress in a black evening gown posing at a red carpet event, representing one of the hottest female celebrities in Hollywood
Women

The 25 Hottest Female Celebrities

Talented stars, killer physiques.

Read article
Bench press record holder Bill Gillespie breaking the world record at age 62
Pro Tips

The 'Dos' and 'Don’ts' of Bill Gillespie’s Record-Breaking Bench Press

At age 62, "Big Bill" shares his wisdom to dominate one of the ultimate strength marks.

Read article
The 50 Best Female Fitness Influencers on Instagram
Girls

The 50 Best Fitness Influencers on Instagram

Follow these fit women we're crushing on for inspiration, workout ideas, and motivation.

Read article
Hers Nutrition

Why You Need B Vitamins

Learn about the eight different types of B vitamins, what they do for you and which healthy foods have them.

by Linda Stephens
  • Click to share on Facebook (Opens in new window)
  • Click to share on Twitter (Opens in new window)
  • Click to share on Pinterest (Opens in new window)
  • Click to share on Facebook (Opens in new window)
  • Click to share on Twitter (Opens in new window)
  • Click to share on Pinterest (Opens in new window)
BeefBroccoliBvitaminsOpener
View Gallery

Why You Need B Vitamins

Close gallery popup button
1 OF 9

1 of 9

BeefBroccoliBvitaminsOpener

Vitamins can be a confusing category to navigate but when you’re getting all of the vitamins and nutrients you need you’ll be likely to have more energy and better recover from your workouts. This quick and easy guide will help you better understand B vitamins.What are the B vitamins responsible for?B vitamins are water-soluble, meaning your body will excrete the excess through your urine.  Have you ever noticed that your urine is bright yellow after taking vitamin supplements?  That’s the excess being passed through your system. Vitamin B12 is the only water-soluble vitamin that doesn’t get excreted through urine. Instead, it’s absorbed into the intestine.B vitamins use your macronutrients (proteins, carbohydrates and fats) to generate energy by acting as coenzymes–“helper” molecules that assist in a biochemical reaction within your body. B vitamins help support your immune and nervous systems along with aiding energy metabolism.  Deficiencies of this vitamin can become an issue for athletes, hard-core gym goers, and competitive bodybuilders because their diets are very restrictive and their training demands are much more than someone who’s training for personal health.  Your also lose B vitamins when you sweat.Eating a diet that’s rich in the foods on the following slides will help ensure that you’re getting enough B vitamins. If you’re on a restrictive diet or feel that you might be deficient, consider taking a B complex supplement after consulting your doctor.

2 of 9

9 Foods Swaps to Strengthen Your Heart

corbis images

B1 (aka Thiamine)

What it does: Generates energy from carbohydratesHow it works in your body: It’s involved in muscle contractions and sending nerve signals.Foods that contain this vitamin:  Beans/legumes, edamame, tuna, trout, pork, whole grains

3 of 9

BeefBvitaminsCR

corbis images

B2 (aka Riboflavin)

What it does: This vitamin supports glowing skin and healthy vision. (More foods to eat for healthy skin!)How it works in your body: Vitamin B2 uses fats for energy along with carbohydrates.Foods that contain this vitamin:  Beef, oily fish, almonds, spinach, mushrooms, lamb, cheese

4 of 9

PeanutsBvitaminsCR

B3 (aka Niacin)

What it does: Most absorption takes place in the small intestine.  This makes sense since niacin keeps the digestive track, skin and nervous system functioning correctly. How it works in your body: Niacin can help to increase fat burning, lowering cholesterol and supply energy when levels stay consistent.Foods that contain this vitamin:  Peanuts, beef, chicken, turkey, peas, fish, avocados

5 of 9

Sunflower Seeds

Linda Lewis / Getty

B5 (aka Pantothenic Acid)

What it does: Pantothen is a Greek word meaning “everywhere.”  You can find pantothenic acid in almost every food.  It also aids in a healthy digestive track and adrenal functioning. How it works in your body: Vitamin B5 has a key role in producing energy and supporting a strong metabolism.  It also plays a role in creating red blood cells and sex hormones.Foods that contain this vitamin: Sunflower seeds, sweet potatoes, avocados, beef, chicken, turkey,  mushrooms

6 of 9

PorkchopBvitaminsCR

B6 (aka Pyridoxine)

What it does: Aids in protein absorption, also helps with creating red blood cells and keeps your brain sharp. How it works in your body: Vitamin B6 is important for serotonin production within the brain.  B6 aids in fat metabolism for energy and helps keep circulation to the skin and muscle tissues regulated.Foods that contain this vitamin:  Pork, avocados, spinach, bananas, beef, turkey, pistachios,  prunes

7 of 9

EGGBVit

B7 (aka Biotin)

What it does: This B vitamin aids in fat and protein metabolism. How it works in your body: It helps regulate blood sugar and increase insulin sensitivity.Foods that contain this vitamin:  Eggs, carrots, almonds, tomatoes, sweet potatoes, onions, salmon

8 of 9

The Buffest and Baddest Horror Movie Monsters

B9 (aka Folic Acid)

What it does: It can aid in reducing heart disease as it helps to lower homocysteine levels. High homocysteine levels can cause inflammation in the blood vessels. How it works in your body: Folic acid is also important during pregnancy, as it’s a major player in DNA synthesis, cell division and growth.Foods that contain this vitamin: Broccoli, beans, lentils, asparagus, spinach, avocado, lettuce, oranges

9 of 9

CheeseBvitaminsCR

B12 (aka Cobalamin)

What it does: It plays a key role in the brain and nervous system and aids in decreasing anxiety.How it works in your body: It’s important for building muscle mass as well as playing a role in DNA synthesis.Foods that contain this vitamin:  Cheese, shellfish, liver, soy, beef, low fat dairy, eggs, whey powder

Back to intro

Vitamins can be a confusing category to navigate but when you’re getting all of the vitamins and nutrients you need you’ll be likely to have more energy and better recover from your workouts. This quick and easy guide will help you better understand B vitamins.

What are the B vitamins responsible for?

B vitamins are water-soluble, meaning your body will excrete the excess through your urine.  Have you ever noticed that your urine is bright yellow after taking vitamin supplements?  That’s the excess being passed through your system. Vitamin B12 is the only water-soluble vitamin that doesn’t get excreted through urine. Instead, it’s absorbed into the intestine.

B vitamins use your macronutrients (proteins, carbohydrates and fats) to generate energy by acting as coenzymes–“helper” molecules that assist in a biochemical reaction within your body. B vitamins help support your immune and nervous systems along with aiding energy metabolism.  Deficiencies of this vitamin can become an issue for athletes, hard-core gym goers, and competitive bodybuilders because their diets are very restrictive and their training demands are much more than someone who’s training for personal health.  Your also lose B vitamins when you sweat.

Eating a diet that’s rich in the foods on the following slides will help ensure that you’re getting enough B vitamins. If you’re on a restrictive diet or feel that you might be deficient, consider taking a B complex supplement after consulting your doctor.

B1 (aka Thiamine)

What it does: Generates energy from carbohydrates

How it works in your body: It’s involved in muscle contractions and sending nerve signals.

Foods that contain this vitamin:  Beans/legumes, edamame, tuna, trout, pork, whole grains

B2 (aka Riboflavin)

What it does: This vitamin supports glowing skin and healthy vision. (More foods to eat for healthy skin!)

How it works in your body: Vitamin B2 uses fats for energy along with carbohydrates.

Foods that contain this vitamin:  Beef, oily fish, almonds, spinach, mushrooms, lamb, cheese

B3 (aka Niacin)

What it does: Most absorption takes place in the small intestine.  This makes sense since niacin keeps the digestive track, skin and nervous system functioning correctly. 

How it works in your body: Niacin can help to increase fat burning, lowering cholesterol and supply energy when levels stay consistent.

Foods that contain this vitamin:  Peanuts, beef, chicken, turkey, peas, fish, avocados

B5 (aka Pantothenic Acid)

What it does: Pantothen is a Greek word meaning “everywhere.”  You can find pantothenic acid in almost every food.  It also aids in a healthy digestive track and adrenal functioning. 

How it works in your body: Vitamin B5 has a key role in producing energy and supporting a strong metabolism.  It also plays a role in creating red blood cells and sex hormones.

Foods that contain this vitamin: Sunflower seeds, sweet potatoes, avocados, beef, chicken, turkey,  mushrooms

B6 (aka Pyridoxine)

What it does: Aids in protein absorption, also helps with creating red blood cells and keeps your brain sharp. 

How it works in your body: Vitamin B6 is important for serotonin production within the brain.  B6 aids in fat metabolism for energy and helps keep circulation to the skin and muscle tissues regulated.

Foods that contain this vitamin:  Pork, avocados, spinach, bananas, beef, turkey, pistachios,  prunes

B7 (aka Biotin)

What it does: This B vitamin aids in fat and protein metabolism. 

How it works in your body: It helps regulate blood sugar and increase insulin sensitivity.

Foods that contain this vitamin:  Eggs, carrots, almonds, tomatoes, sweet potatoes, onions, salmon

B9 (aka Folic Acid)

What it does: It can aid in reducing heart disease as it helps to lower homocysteine levels. High homocysteine levels can cause inflammation in the blood vessels. 

How it works in your body: Folic acid is also important during pregnancy, as it’s a major player in DNA synthesis, cell division and growth.

Foods that contain this vitamin: Broccoli, beans, lentils, asparagus, spinach, avocado, lettuce, oranges

B12 (aka Cobalamin)

What it does: It plays a key role in the brain and nervous system and aids in decreasing anxiety.

How it works in your body: It’s important for building muscle mass as well as playing a role in DNA synthesis.

Foods that contain this vitamin:  Cheese, shellfish, liver, soy, beef, low fat dairy, eggs, whey powder

Topics:
  • Diet
  • M&F Hers
Author picture
Written by Linda Stephens
Also by Linda Stephens
Fruits and Vegetables
Hers Nutrition

The 10 Best Mood-Boosting Foods

Male-Grabbing-Meal-Prep-Container-From-Fridge-Refridgerator
Healthy Eating

The Beginner's Guide to Meal Prepping

Newsletter Signup

Stay up to date

Sign up below to receive our newest workout routines, recipes, news stories, and offers from our partners

Muscle & Fitness logo

Follow us

Facebook Twitter Youtube Pinterest

More news

Healthy vegetables and fruits incorporated in the PCOS diet for women
Hers Nutrition

The PCOS Diet For Beginners: Is It Right for You?

If you're navigating the challenges of PCOS, consider exploring this diet as a potential game-changer for your health.

Read article
A Santa Hat on a treadmill to burn off calories from the holiday foods
Hers Nutrition

Eat it and Delete It

Use these exercise suggestions to burn off calories.

Read article
Fruits and Vegetables
Hers Nutrition

The 10 Best Mood-Boosting Foods

Raise your energy levels by knowing what to eat.

Read article
All Hers Nutrition
  1. Home
  2. /
  3. Muscle & Fitness Hers
  4. /
  5. Hers Nutrition
  6. /
  7. Why You Need B Vitamins
Muscle & Fitness logo
  • Workouts
  • Nutrition
  • Athletes & Celebrities
  • Features
  • Recipes
  • Topics
  • Videos
  • Exercise Videos
  • Podcasts
  • RSS Feed
  • Buy Olympia Tickets
  • Archives
  • Sitemap
Facebook Twitter Youtube Pinterest

Newsletter Signup

Stay up to date

Sign up below to receive our newest workout routines, recipes, news stories, and offers from our partners

JW Media, LLC

Copyright 2026 JW Media, LLC, parent company of Muscle & Fitness. All rights reserved.

Contact Us Terms of Use Privacy Policy Cookie Policy Do Not Sell Accessibility Statement