Caffeine Powder 10% (90% Mannitol)



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*(Documents above may vary from batch received. Click here to request batch-specific documents)

Supplement Facts & Directions

Supplement Facts

Serving Size: 1550 milligrams
Servings Per Container: Varies
Amount Per Serving % Daily Value*
Caffeine Anhydrous 170mg

* Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value Not Established
‡ These supplement facts may vary from the product you receive.    Please call for exact numbers.

Other Ingredients: Mannitol


Free of:  Soy, Dairy, Yeast, & Gluten.

Directions:  Take 1550mg or one level unpacked scoop (1/2 tsp) of caffeine blend in a single serving, every four hours up to three times per day. DO NOT consume more than 1550mg or one scoop (1/2 tsp) in a single serving. DO NOT exceed 4650mg or three (1/2 tsp) per day. Accurate measurement of caffeine blend powder is critical to health and safety.


Caffeine consumption may result in insomnia, difficulty sleeping and withdrawal headaches. DO NOT take caffeine if you have a history of heart disease, if you are pregnant, nursing, taking any medications, or have any medical condition consult your physician before use. Caffeine is HIGHLY TOXIC in amounts greater than recommended. Excessive use with as little as a few grams may result in death. Keep out of reach of children.


Product Details

WARNING! CAFFEINE may be HIGHLY TOXIC or LIFE THREATENING when consumed in amounts greater than recommended. Consumption of as little as a few grams may result in DEATH. Do not consume more than 200 milligrams (mg) of caffeine in a single serving, or more than 600 milligrams (mg) per day. Caffeine consumption may result in insomnia, difficulty sleeping and withdrawal headaches. Do not take caffeine if you have a history of heart disease, or if you are pregnant or nursing. Consult your physician before taking this product.

What Does Caffeine Do?

Caffeine is a stimulant and naturally occurring organic compound found in coffee beans, tea leaves, and cocoa beans. Most people consume caffeine through beverages like coffee, tea, soda, and energy drinks. Chocolate products also often contain caffeine. It delays fatigue or drowsiness by stimulating the central and autonomic nervous systems. It induces alertness by temporarily preventing adenosine from interacting with its receptor and signaling for the body to become drowsy. In addition to boosting energy, caffeine can also enhance cognitive function, exercise performance, and fat burn.

What is Mannitol?

Mannitol is a low-calorie sweetener and sugar alcohol. Many individuals use mannitol as a sugar substitute to support weight loss efforts. It’s also a popular option for individuals monitoring their glucose as it has a low glycemic index (GI) of two compared to sugar’s GI of 65. It has non-hygroscopic properties that help prevent supplement powders from caking or clumping.

Potential Caffeine Benefits

Caffeine for Energy Boost

Many people start their day with a cup of coffee for its caffeine to invigorate their minds and shake off any lingering sleepiness. Caffeine has a long history as an energy booster and is the most widely used psychoactive substance worldwide. It provides energy by blocking adenosine-induced drowsiness. It also diminishes fatigue by increasing dopamine levels.

Potential Caffeine Benefits for Exercise Performance

Caffeine is a frequent ingredient in pre-workout supplements as an energy booster for early morning workouts and an exercise performance enhancer. A plethora of studies show that consuming caffeine before a workout improves exercise endurance. Caffeine also reduced participants’ perception of how much effort and energy they needed for workouts. The research notes that caffeine enhances exercise performance in individuals of all ages, fitness levels, and body fat compositions. Caffeine may also improve power output in some individuals.

Caffeine Appetite Suppressant and Fat Burner

Caffeine may support weight loss efforts through several mechanisms. It promotes a higher calorie burn while at rest by increasing metabolic rate. It also disrupts how the body typically stores fat. Boosting energy and delaying fatigue can help individuals reach their recommended daily physical activity goals. Research also shows that caffeine supplements like green coffee bean extract help suppress appetite in some individuals.

Caffeine and L-Theanine for Focus

Caffeine and l-theanine are synergistic compounds that work together to improve focus better than either supplement can achieve alone. Caffeine can attenuate the negative effects of fatigue and improve alertness. L-Theanine is the primary active component found in tea leaves. L-Theanine acts as a caffeine modulator to reduce the negative effects of caffeine, such as jitters or sleep disruptions, without inducing sleepiness. Taking caffeine and l-theanine can also reduce susceptibility to distractions and enhance the ability to switch between tasks. These effects are more notable among caffeine-naïve individuals.

Potential Caffeine Side Effects

Individuals who do not typically consume caffeine are more likely to experience mild side effects, such as jitteriness, headache, upset stomach, bowel urgency, and sleep disruption. Individuals can reduce the likelihood of sleep disruptions by only consuming caffeine in the morning. Individuals with IBS, heart conditions, glaucoma, or GERD should consult a physician before taking caffeine supplements.


Tested by Accredited 3rd Party Labs

PureBulk's supplements are tested by accredited third party labs in the USA to ensure their identity, purity and potency. To receive a copy of these test results or any other PureBulk supplement please fill out the COA request form found here.

*NOTE: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

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