How much caffeine is in a 16 oz Mountain Dew?

Mountain Dew is a popular citrus-flavored soda that contains caffeine. A 16-ounce can or bottle of regular Mountain Dew contains 54 mg of caffeine. This amount of caffeine provides an energy boost but is generally not considered excessive.

Caffeine Content of Mountain Dew

The exact caffeine content of Mountain Dew can vary slightly depending on the version:

  • Regular Mountain Dew – 54 mg of caffeine per 16 oz
  • Diet Mountain Dew – 54 mg of caffeine per 16 oz
  • Caffeine-Free Mountain Dew – 0 mg of caffeine per 16 oz
  • Mountain Dew Code Red – 54 mg of caffeine per 16 oz
  • Mountain Dew Voltage – 54 mg of caffeine per 16 oz

As you can see, most versions of Mountain Dew contain 54 mg of caffeine per 16 oz serving. The only exception is caffeine-free Mountain Dew, which contains no caffeine as the name implies.

How Mountain Dew’s Caffeine Content Compares

Here’s how Mountain Dew’s caffeine content compares to other popular sodas:

Beverage Caffeine (mg per 16 oz)
Mountain Dew 54
Coca-Cola 34
Pepsi 38
Dr Pepper 42

As you can see, Mountain Dew has significantly more caffeine than Coca-Cola, Pepsi, or Dr Pepper. The only soda that consistently contains more caffeine than Mountain Dew is Tab, which has over 70 mg per 16 oz can.

Is 54 mg of Caffeine a Lot?

Whether or not 54 mg of caffeine seems like a lot depends on your caffeine sensitivity and tolerance. Here’s a quick rundown:

  • For people very sensitive to caffeine, 54 mg may cause jitters or anxiety.
  • For people with average caffeine tolerance, 54 mg is considered a moderate amount – enough to feel alert, but not excessive.
  • People who consume caffeine regularly can easily tolerate 54 mg with no major issues.

To put the 54 mg of caffeine in Mountain Dew into perspective, here are the amounts of caffeine found in other drinks:

Beverage Caffeine (mg)
8 oz brewed coffee 95
8 oz Red Bull 80
8 oz green tea 25
16 oz Mountain Dew 54
8 oz Coca-Cola 34

As you can see, the caffeine content in 16 oz of Mountain Dew is lower than an 8 oz cup of coffee or an energy drink like Red Bull. However, it is higher than most sodas or teas.

Daily Caffeine Recommendations

Health experts recommend limiting your daily caffeine intake to 400 mg per day or less. For most healthy adults, this amount is considered safe and not likely to cause side effects like insomnia or restlessness.

To stay within the 400 mg daily limit, here is the maximum recommended number of 16 oz Mountain Dews:

  • Children under 12: 0 cans per day
  • Teens: 1 can per day
  • Adults: 3-4 cans per day

Drinking more than 3-4 cans (162-216 mg caffeine) is not recommended, especially later in the day as it may interfere with sleep.

Risks of Excessive Caffeine Intake

Drinking more than 400 mg of caffeine per day, especially on a regular basis, can increase the risk of:

  • Insomnia
  • Restlessness and jitters
  • Increased heart rate and blood pressure
  • Anxiety or irritability
  • Reduced control of fine motor movements
  • Headaches
  • Gastrointestinal issues like nausea

For healthy adults, up to 600 mg daily is generally considered safe for most people. However, above 2,000 mg per day increases the risk of more serious side effects like irregular heartbeat.

Groups at Higher Risk from Excess Caffeine

The following groups should limit caffeine intake to less than 300 mg per day:

  • Children under 12
  • Teenagers
  • Women who are pregnant
  • Women trying to conceive
  • People with anxiety disorders
  • People sensitive to the effects of caffeine

Those with certain medical conditions may need to restrict caffeine intake even further. This includes people with heart conditions, hypertension, and sleep disorders.

Withdrawal Effects from Quitting Caffeine

People who regularly consume caffeine can experience withdrawal symptoms if they suddenly stop. Withdrawal effects can include:

  • Headaches
  • Fatigue
  • Difficulty concentrating
  • Irritability
  • Depression
  • Muscle pain or stiffness

Withdrawal symptoms are usually most noticeable 12-24 hours after stopping caffeine, peak at 20-48 hours, and can last up to a week. To minimize withdrawal effects, gradually wean off caffeine over a period of days or weeks.


A 16-ounce can of Mountain Dew contains 54 mg of caffeine. This is considered a moderate amount compared to other caffeinated beverages. For healthy adults, 1-2 cans per day is considered safe. However, children, pregnant women, and people sensitive to caffeine should restrict intake to avoid side effects from excess caffeine consumption.

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