Home » Caffeine Anhydrous: What Is It And How Much Is Safe?

Caffeine Anhydrous: What Is It And How Much Is Safe?

Coffee drinkers are well aware of the energy-boosting effects of caffeine. Caffeine is a popular stimulant that improves athletic performance and increases alertness. But what if you don’t feel like downing a cup of coffee before that long run or big gym session? Is caffeine anhydrous a good alternative to a morning java?

This article explores that question and more. Read on to learn all about caffeine anhydrous – how it compares to the caffeine you’re used to in coffee, its benefits and side effects, and how much caffeine anhydrous is safe.

What Is Caffeine Anhydrous?

Caffeine anhydrous is essentially pure powdered caffeine. It is extracted from familiar plants like tea and coffee, but the chemical components and water are removed to yield anhydrous caffeine. The word anhydrous means “without water.”

the caffeine molecule

Is caffeine anhydrous the same as caffeine?

What’s the difference between caffeine and caffeine anhydrous? There isn’t one!

Caffeine anhydrous is the same as caffeine. Caffeine is a molecule that is the same whether dissolved in a liquid like coffee or processed into a powder. However, anhydrous caffeine is a more potent form of caffeine, so you need to be more careful about dosage and potential side effects.

Is caffeine anhydrous natural or synthetic?

Caffeine anhydrous is still natural caffeine because it is derived from plant sources rather than synthesized from base chemical components. In the lab, the caffeine is extracted from the other components of the plant and dehydrated to yield a highly concentrated caffeine powder.

What Are The Caffeine Anhydrous Benefits?

Caffeine is a central nervous system stimulant; indeed, it is the most widely used stimulant worldwide. 

The main proven benefits of caffeine consumption are increased energy, alertness, and ability to focus (1). There is evidence that caffeine may increase metabolism, protect against degenerative brain diseases like Parkinson’s and Alzheimer’s, and combat depression (2).

Caffeine’s energy-giving effects make it one of the best ergogenic aids – i.e. a tool athletes employ to enhance performance or recovery.

Studies have shown that caffeine enhances endurance during distance activities like running and biking and improves sprint performance. It can also somewhat improve muscular strength during anaerobic activity (3).

Learn more about using caffeine anhydrous as a pre-workout stimulant in this video:

How Caffeine Works In The Brain

Caffeine interacts with your body in a number of ways, but the primary mechanism by which it increases energy is by blocking adenosine receptors in the brain (4). Adenosine is a molecule that signals your central nervous system to slow down, causing you to feel tired. 

Caffeine and adenosine molecules are very similar in their chemical composition, similar enough that caffeine can take adenosine’s place. That’s why caffeine is often called an antagonist to adenosine. By blocking the adenosine, caffeine helps you stay awake for longer. 

How Long Do The Effects Of Caffeine Anhydrous Last?

The benefits of caffeine anhydrous last between 3 to 5 hours, depending on your metabolism, with peak effects between 30 and 60 minutes after consumption. That said, traces of caffeine remain in your system longer, and you may experience effects up to 10 hours after consumption. So, if you are particularly sensitive, consider avoiding caffeine anhydrous in the afternoon.

Caffeine Anhydrous Side Effects

The side effects of caffeine anhydrous are the same as any caffeinated product. However, caffeine anhydrous is pure caffeine, so it’s much easier to overdo it. 

It’s like the difference between drinking beer and drinking straight ethanol; it’s the same drug, but the risk of getting dangerously intoxicated with one is much higher than the other. You’re more likely to fill up on beer before you get alcohol poisoning, and you’re more likely to be full of coffee before you OD on caffeine.

Assuming you take a safe dose of dehydrated caffeine, the most common adverse effects associated with the stimulant are mild in intensity. They include jitters, nervousness, insomnia, increased heart rate, and nausea or upset stomach. 

Prolonged regular caffeine use may also lead to caffeine tolerance or dependence, in which case you may experience unpleasant symptoms when cutting back. The most frequent caffeine withdrawal symptoms are headaches, sleepiness, and an overall lack of energy or malaise.

Caffeine Overdose Symptoms

Caffeine overdose symptoms are much more severe and require immediate medical attention. These include difficulty breathing, hallucinations, dizziness, diarrhea, seizures, and death. It is virtually impossible to overdose on caffeine by drinking coffee or tea, but it can easily happen with caffeine in the pure powder form.

How Much Caffeine Anhydrous Is Too Much?

The Food and Drug Administration (FDA) recommends no more than 400 mg of caffeine daily for a healthy adult (5). And that number represents a total from all sources, including caffeine anhydrous, coffee, tea, chocolate, energy drinks, sodas, and so on.

a graph illustration for caffeine anhydrous dosage caution

The recommended pre-workout dose of caffeine is 1.3 – 2.3 mg/pound of body weight (3 – 5 mg/kg), which equates to between 195 and 340 mg of caffeine for a 150-pound athlete (6). If you haven’t supplemented with caffeine before, you should start at the lower end of the range because everyone has a different tolerance to caffeine and metabolizes it a bit differently.

Remember that when it comes to caffeine, more is not better. Exceeding the maximum dose doesn’t convey additional benefits and puts you at a higher risk of negative side effects.

Is caffeine anhydrous safe?

The FDA advises against using powdered caffeine anhydrous, not because it’s inherently unsafe but because it is so easy to overdose. One teaspoon of caffeine powder amounts to about 2700 mg of caffeine, the caffeine content equivalent of drinking 28 cups of coffee at once. It is simply too easy to make a measuring mistake, especially when most kitchen scales aren’t even precise enough to measure a recommended dose of 300 mg.

In one tragic example, a 29-year-old personal trainer died of caffeine overdose after making a measuring error with pure caffeine anhydrous powder. He consumed the equivalent of 200 cups of coffee in a single serving (7).

To consume caffeine anhydrous safely, buy caffeine pills or capsules, which are pre-measured to exacting standards to avoid accidental overdose. Or purchase a special pre-workout formula that includes caffeine anhydrous as one of several ingredients. In this context, anhydrous caffeine is as safe as caffeine in coffee or any other form, with the same potential for minor side effects.

Caffeine Anhydrous vs Caffeine in Coffee

Caffeine in coffee beans and caffeine anhydrous are the same caffeine, and studies have shown that they convey the same performance benefits when taken in the same dose (8).

In trained males, caffeine dosed at 3–5 mg/kg may improve high-intensity sprint performance when ingested 30 minutes prior to exercise. Caffeine anhydrous does not appear to improve performance more than coffee.

The recommended dose of 200 to 300 mg of caffeine anhydrous is equivalent to drinking two or three cups of coffee.

Coffee and caffeine anhydrous might have the same performance perks, but their overall impact on your health is not equal. Coffee isn’t just caffeine and water; it’s also rich in antioxidants. As a result, coffee has many other benefits, such as warding off heart disease, type 2 diabetes, and certain cancers. Researchers have reported that drinking coffee can extend your life (9). The same cannot be said for caffeine anhydrous.

On the other hand, caffeine anhydrous is a great option for an energy boost if coffee doesn’t agree with you. Many people suffer from sensitive stomachs or acid reflux disease and find coffee too acidic, while others simply don’t enjoy the taste. Your brain’s adenosine receptors don’t distinguish between caffeine anhydrous and caffeine from coffee or tea.

Final Thoughts

Caffeine anhydrous is a good way to enjoy the positive effects of caffeine for anyone who doesn’t enjoy coffee or finds it upsets their digestion. It’s a valuable exercise performance enhancer for athletes, boosting energy and endurance. 

Tread carefully with caffeine anhydrous, however. It is far easier to overdose due to its potency. Buy caffeine anhydrous pre-measured in the form of pills or capsules, and don’t exceed the recommended dose. Of course, we always advise consulting your primary care physician before starting any new supplement. Caffeine can interact with pre-existing conditions or other drugs you may be taking.

FAQs

No, caffeine anhydrous isn’t illegal, but caffeine is regulated for certain athletes. The NCAA imposes a maximum limit of 15 micrograms of caffeine per milliliter in the urine – about 5 or 6 cups of coffee (10). Above these levels of caffeine is considered to be doping. The World Anti-Doping Agency has no such regulation, but it has caffeine on a list of drugs it monitors for potential abuse. So future regulations are possible.

Yes, caffeine anhydrous is a diuretic, as is caffeine in any context, so it will cause you to urinate more frequently. You drink a lot of water when consuming coffee or tea, so your fluid balance remains fairly even. Drinking water if you take caffeine anhydrous in pill form is vital to avoid dehydration, especially when engaging in vigorous exercise.

According to the FDA, the daily caffeine limit for a healthy adult is 400 mg. Pregnant or breastfeeding women should limit caffeine intake to no more than 300 mg daily. Teenagers shouldn’t exceed 100 mg of caffeine daily, and children under 12 should avoid caffeine entirely – though keeping them away from chocolate is easier said than done.

Caffeine is a natural substance found in many plants. We typically source naturally occurring caffeine from tea, cacao, and the seeds and leaves of coffee plants. The caffeine molecule can also be synthesized chemically in a lab.

  1. Smith, A. Effects of caffeine on human behavior. Food and Chemical Toxicology. 2002; 40. 1243-1255. https://doi.org/10.1016/S0278-6915(02)00096-0
  2. Xiangpeng Ren & Jiang-Fan Chen. Caffeine and Parkinson’s Disease: Multiple Benefits and Emerging Mechanisms. Front. Neurosci. 2020; 14. https://doi.org/10.3389/fnins.2020.602697
  3. McDaniel, L. W., McIntire, K., Streitz, C., Jackson, A., & Gaudet, L. (2010). The Effects Of Caffeine On Athletic Performance. College Teaching Methods & Styles Journal (CTMS), 6(1), 33–38. https://doi.org/10.19030/ctms.v6i1.5518
  4. Ribeiro JA, Sebastião AM. Caffeine and adenosine. J Alzheimers Dis. 2010;20 Suppl 1:S3-15. doi: 10.3233/JAD-2010-1379. PMID: 20164566.
  5. Food and Drug Administration. (2018, December 12). Spilling the Beans: How Much Caffeine is Too Much? Retrieved from https://www.fda.gov/consumers/consumer-updates/spilling-beans-how-much-caffeine-too-much
  6. Nanci S. Guest, Trisha A. VanDusseldorp, Michael T. Nelson, Jozo Grgic, Brad J. Schoenfeld, Nathaniel D. M. Jenkins, Shawn M. Arent, Jose Antonio, Jeffrey R. Stout, Eric T. Trexler, Abbie E. Smith-Ryan, Erica R. Goldstein, Douglas S. Kalman & Bill I. Campbell (2021) International society of sports nutrition position stand: caffeine and exercise performance, Journal of the International Society of Sports Nutrition, 18:1, DOI: 10.1186/s12970-020-00383-4
  7. Pitofsky, M. (2022, March 7). It looked like he drank 200 cups of coffee. A measuring mistake cost him his life. Retrieved from https://www.usatoday.com/story/news/world/2022/03/07/uk-man-dies-caffeine-toxicity-200-coffee/9411440002/
  8. Trexler ET, Smith-Ryan AE, Roelofs EJ, Hirsch KR, Mock MG. Effects of coffee and caffeine anhydrous on strength and sprint performance. Eur J Sport Sci. 2016 Sep;16(6):702-10. doi: 10.1080/17461391.2015.1085097. Epub 2015 Sep 22. PMID: 26394649; PMCID: PMC4803635.
  9. Kumar, R.B., MD, MS. (n.d.). Can Coffee Help You Live Longer? Retrieved from https://healthmatters.nyp.org/can-coffee-help-you-live-longer/
  10. MARCA. (2023, April 13). NCAA Banned Substances: What caffeine is banned by the NCAA? Retrieved from https://www.marca.com/en/ncaa/2023/04/13/643810dae2704efe6d8b4609.html
Julia Bobak
Julia is a west coast Canada-based professional coffee specialist who has spent nearly a decade immersed in the world of coffee research and professional brewing. She loves trail running, rock climbing, coffee, food, and her tiny dog — and writing about all of them. She starts every morning with a fresh Americano from her home espresso machine, or she doesn’t start it at all.

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