• Sign In
  • Join for Free
image/svg+xml
  • Get Coaching
    • Group Coaching for Women
    • Group Coaching for Men
    • 1-to-1 Coaching
  • Certifications
    • All Nutrition Certifications & Courses
    • Level 1 Nutrition Certification
    • Level 1 Sleep, Stress Management and Recovery Certification
    • Level 2 Master Coaching Certification
  • Resources and Articles
  •  
  • image/svg+xml Sign Up/Login
  •  Main Menu
  • Get Coaching
    • Group Coaching for Women
    • Group Coaching for Men
    • 1-to-1 Coaching
  • Certifications
    • All Nutrition Certifications & Courses
    • Level 1 Nutrition Certification
    • Level 1 Sleep, Stress Management and Recovery Certification
    • Level 2 Health Coaching Certification
  • Resources and Articles
    • All Articles
    • Most Popular
    • Free Courses & Guides
    • Calculators
    • Infographics
    • Industry Reports
    • Coaching Resources
    • Fitness & Workouts
    • Fitness Career
    • Food & Nutrition
    • Healthy Living
    • Nutrition Psychology
    • Nutrition Science
    • Weight Loss
    • Podcasts

Search results for "vitamin"



“Should I take vitamin D?” Here’s what the science says.

How to know if this oft-recommended supplement is right for you.

www.precisionnutrition.com/stop-vitamin-d

Seems like everyone’s taking vitamin D… but should they?

All About Vitamins & Minerals

Everything you need to know about vitamin & minerals for good health

www.precisionnutrition.com/all-about-vitamins-minerals

It’s not breaking news that vitamins and minerals are essential to good health. Most of us have been told that since we were in diapers. Heck, even Lucky Charms brags about being “fortified with 12 essential vitamins and minerals.” So they must be important! But why, exactly? How many vitamins and minerals are there, and […]

All About Where Vitamin Supplements Come From

www.precisionnutrition.com/all-about-vitamin-supplements

Where do vitamin supplements actually come from? You may be shocked to find out.

All About Vitamin D

www.precisionnutrition.com/all-about-vitamin-d

Vitamin D, aka the “sunshine vitamin”, is crucially important for the body. And yet most of us are probably deficient. Grab the convertible or get on your bike and head to the beach!

Research Review: Postworkout vitamins — help or hindrance?

www.precisionnutrition.com/postworkout-antioxidants

Exercise provides a form of “good stress” that helps the body compensate and get stronger. But what happens when you “block” that natural stress process with antioxidant vitamins C and E? Is it good or bad? Well, this study suggests it might be both… and that if you’re concerned about insulin sensitivity, maybe you should hold off on that multivitamin for a little while.

The True Cost of “Optimal” Health

Want to live as long and healthy as possible? Here’s what it really takes.

www.precisionnutrition.com/the-cost-of-health-optimization

Common longevity advice seems to involve an extraordinary amount of effort, time, money, and complexity. Is it all necessary?

Are seed oils bad for you? Vegetable oil vs. olive oil vs. butter

It’s time to sort the science from the pseudoscience.

www.precisionnutrition.com/vegetable-oil-vs-olive-oil

Are vegetable and seed oils “toxic”?! From TikTok to bestseller lists, vegetable oils—a.k.a. “seed oils”—are a big topic right now. To be fair, folks have debated the merits of vegetable oils dating back to when they first entered the marketplace. More recently, however, with the advent of the carnivore diet, vegetable oil hate has roared […]

How to stop tracking macros and trust yourself around food

Four steps to ditch the food scale and rely on your own appetite again.

www.precisionnutrition.com/how-to-stop-tracking-macros

Do you feel overly attached to tracking macros but don’t know how to stop? Here are four steps to freedom.

How to live the longest, healthiest life possible

You can’t outsmart millions of years of human evolution. But you can make the most of the years you have.

www.precisionnutrition.com/healthy-aging-strategies

We’ll tell you what NOT to do too…

What do I do with foods that don’t easily fit my macros?

Don’t know how to track legumes, or that mixed stew? We’ve got you.

www.precisionnutrition.com/accounting-for-foods-that-dont-fit-my-macros

The Hand Portion method can work even in tricky food categories.

All about fats

Which fats are healthiest? Are there such things as “unhealthy fats”? All your answers here.

www.precisionnutrition.com/all-about-fats

From brain health to vitamin absorption, fats do a lot of good for your body.

The importance of micronutrients—and where they fit in your diet

Plus, the best sources of micronutrients from whole foods.

www.precisionnutrition.com/importance-of-micronutrients

Find out how micronutrients affect health, weight, athletic performance, and more.

Should you track your macros?

The merits and pitfalls of tracking macros, plus whether tracking is right for you.

www.precisionnutrition.com/should-you-track-your-macros

Tracking macros isn’t for everyone. Here’s how to determine if this practice can help you and your goals.

The new science of muscle: The big impact strategies you need to do (and the fluff you can ignore)

What you really need to know about getting—and keeping—muscle size, strength, and power.

www.precisionnutrition.com/build-muscle-strength-size-power

Muscle size, strength and power tends to decline with age. Here’s what to do.

Is a 1200-Calorie diet (or any super low-calorie diet) actually realistic?

The origins of this contentious calorie target—and why it’s so hard to maintain it.

www.precisionnutrition.com/1200-calorie-diet

Maintaining a caloric deficit is hard. Here’s why, plus 4 ways to make it easier.

The Ultimate Sports Nutrition Guide for Athletes and Coaches

Learn the basics of sports nutrition and get your sport-specific nutrition guide to optimize athletic performance.

www.precisionnutrition.com/sports-nutrition-guides

Get a free PDF nutrition guide for your sport.

The top 8 most common stress-related questions, answered.

These are the challenges most likely to plague your clients—and maybe you, too. Here’s a round-up of sage advice.

www.precisionnutrition.com/stress-questions

The irony is that it’s kind of stressful to find answers about stress. There’s so much conflicting information out there. But if you’re a health and fitness professional, your clients—maybe even your friends and loved ones too—will likely turn to YOU for counsel. They’ll ask things like: “Is stress REALLY toxic?” “Do you think stress […]

How to improve your gut health: 5 research-backed strategies

Got gas, bloating, and toilet troubles? Here's help.

www.precisionnutrition.com/how-to-improve-gut-health

Improve your microbiome, improve your health.

How a laid-off factory worker became one of the world’s top nutrition coaches.

Get ready to be inspired and learn from his success.

www.precisionnutrition.com/dan-garner-profile

How did a guy with no advanced degrees become one of the world’s top nutrition coaches? And what can he teach…you? The answers may surprise you.

Superstition, sciencestition, and how to stop overthinking food.

Sometimes a glass of lemon water is... just a glass of lemon water.

www.precisionnutrition.com/stop-overthinking-food-choices

Why do we care so much about what other people eat?

PCOS: 3 evidence-based strategies that really work

You can feel better without extreme measures

www.precisionnutrition.com/what-is-pcos

What you need to know about nutrition, exercise, and supplements.

How to count (and track) macros for fat loss, muscle gain, and better health

Your complete guide to using—and coaching—macros.

www.precisionnutrition.com/how-to-count-macros

If you don’t like counting calories, this might be a shortcut.

Do collagen supplements actually work? Learn the facts about this popular supplement.

Here’s the real deal on what collagen can—and can’t—do for you.

www.precisionnutrition.com/collagen-benefits

Read this before dumping that powder in your coffee.

The carnivore diet: Can it really transform your health?

The truth about the all-meat trend, and how to try it safely.

www.precisionnutrition.com/carnivore-diet

Will the carnivore diet work for you (or your clients)? We look at the evidence.

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • …
  • 9
Products & Services
  • All Nutrition Certifications & Courses
  • Level 1 Nutrition Certification
  • Level 1 Sleep, Stress Management and Recovery Certification
  • Level 2 Health Coaching Certification
  • Coaching Software
  • Group Coaching for Women
  • Group Coaching for Men
  • 1-to-1 Coaching
  • Precision Nutrition Guide
  • Precision Nutrition Apparel
  • Nutrition Certification Reviews
Free Starter Kits
  • For Health & Fitness Pros
  • For Women
  • For Men
  • For Elite Athletes
  • Precision Nutrition Calculator
  • Weight Loss Calculator
Company
  • Resources and Articles
  • About Us
  • Meet the Experts
  • Podcasts
  • Media and Blogger Center
  • Contact Us
  • Career Opportunities
  • Find A Certified Professional
© 2025 Precision Nutrition Inc. Privacy Policy Terms of Use Accessibility Do not sell my info