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Shape on the Street: Would You Rather Give Up Caffeine or Sugar?

We hits the streets to find out which one folks would rather give up.

Caffeinated Peanut Butter Is Now a Thing

Creamy, crunchy, extra chunky...caffeinated? Out favorite post-workout snack just got even better.

Your Evening Coffee is Costing You Exactly This Much Sleep

Caffeine can throw off your internal clock, says a new study

Why Healthy People Shouldn't Drink Energy Drinks

Their negative effects may be worse in a certain group of people, finds new research.

How Much Coffee is Too Much?

We sifted through decades of research and asked the experts to find out exactly how much coffee you should be drinking every day.

4 Healthy Caffeine Fixes—No Coffee or Soda Required

Coffee and soda aren’t the only energy boosters around. Here are four healthy ways to get a buzz.

Make Your Coffee Taste Better!

You don't need to add calories to add flavor—in fact, a tastier brew could lie in the color of your coffee mug.

Ask the Diet Doctor: Find Your Optimal Coffee Intake

Our resident nutrition expert answers your burning question about the real effects of caffeine and coffee.

Ask the Diet Doctor: The Upside of Energy Drinks

Despite all the negatives you’ve heard, there is a time and place for having a can of caffeine.

10 Tasty Twists on Iced Coffee

10 creative spins on your favorite summer pick-me-up to guarantee you’ll never get bored of cold brew (not that you could!).

Caffeinated Jerky Promises to Perk Up Your Workout

Perky Jerky is low-calorie, high-protein—and contains a common energy-drink ingredient that promises to keep you pepped up.

Is Caffeine Turning You into a Monster?

You may think your daily java is helping you focus, perform your best, and stay alert, but it could be doing the complete opposite.

SHAPE Shares: The Latest Health Reports We're Reading

The Atkins Diet might be making a comeback, men and women really are wired differently, and more stories we're reading this week.

Ask the Diet Doctor: Tea with Honey vs. Coffee with Sugar

Is tea with honey better for you than coffee with sugar, or is neither good to sip?

Ask the Diet Doctor: The Workout Benefits of Coffee

Our Diet Doctor explains if a caffeine buzz will help you power through your routine or just leave you dehydrated.

10 Surprising Facts About Caffeine

You drink it in your coffee, tea, and soda, but how much do you really know about America's favorite pick-me-up?

7 Caffeine-Free Drinks for Energy

These 7 smoothies and store-bought bevvies are ideal for a quick pick-me-up, without a crash.

Is Caffeinated Gum a Safe Energy-Booster?

Trading your coffee for buzzed gum may seem easy and harmless, but don't be so fast to start chewing.

The Best Foods for All-Day Energy

Put the pep back in your step with these nutrient-boosting foods.

Will New Mountain Dew Breakfast Drink Kickstart Your Mornings?

The a.m. beverage promises to "kickstart" your day. Our expert reveals if the ingredients are actually a smart morning choice.

Could Energy Drinks Kill You?

Recent reports have linked energy drinks to multiple deaths. We take an in-depth look at what you need to know.

8 Super Nutrients that Slim You Down

How to use food to fast track your weight-loss results.

Exercise Can Change Your DNA—Coffee Can Too!

Want your workout to pack a one-two punch? The right kind of exercise can actually alter your DNA causing your body to breakdown even more sugar and fat. Find out how!

Would You Try Inhalable Caffeine?

Bacon-flavored milkshakes, now inhalable caffeine! What's next?

The Real Deal on Coffee

While there have been plenty of studies on the health benefits of coffee — including a boost in your workout performance — there are also negative effects of drinking too much coffee. So just how much is too much? And how real are the health claims?