Caffeine pills offer a simple way to take this drug. When used correctly, people may enjoy several benefits, including increased alertness, energy, and mental performance.
Caffeine is a natural stimulant found in coffee, tea, and also many nutritional supplements. There is robust scientific evidence demonstrating that caffeine ingestion serves as effective ergogenic acid for aerobic and anaerobic exercise performance.
Caffeine ingested orally is quickly absorbed into the bloodstream and peaks within 30 to 60 minutes. Caffeine mechanistically affects the central nervous system, primarily by antagonism of adenosine receptors, which results in enhanced mood, reduced perception of pain, increased attention, energy, alterness, and mental performance.
At the skeletal muscle level, caffeine ingestion promotes enhanced sodium/potassium pump activity, greater calcium release from the sarcoplasmic reticulum, and increased fat oxidation/glycogen sparing. That, really helpful to reduce body fat with proper diet and exercise.
Overall, it has been recommended that a dosage of ~3 to 6 mg/kg of body weight of caffeine ingested 30 to 60 minutes prior to exercise will increase work capacity, time to exhaustion, and reduced perceived effort during endurance exercise.
A quick look at the best caffeine pills
- Best for improving concentration: Vali Caffeine & L-Theanine
- Best for a gentle boost: Performance Lab Caffeine+
- Best for a gelatin capsule: Nutricost Caffeine
- Best for a vegan capsule: Zhou Nutrition Energy + Focus
- Best for a simple supplement: BulkSupplements Caffeine
List of Caffeine Pills
Many caffeine pills are available to buy. Below, we list five products that people may wish to try.
Please note that the writer of this article has not tried these products. All product information is purely research-based and correct at the time of publishing.
1. Vali Caffeine & L-Theanine
Best for improving concentration & mood
- Cost: $21
- Quantity: 120 capsule
- Dosage: 50mg caffeine and 100mg L-theanine
- Pros: Vegetarian capsule, helps boost your metabolism, boosts physical performance, and effective aid in your weight loss efforts
- Cons: Do not take within 6 hours of bedtime
These capsules contain 50 mg of caffeine and 100 mg of the amino acid L-theanine. Research suggests that caffeine and L-theanine can improve cognitive performance, energy, focus, concentration, and physical performance. The capsules are completely suitable for vegetarians and are made in the U.S.
2. Performance Lab Caffeine+
Best for a gentle boost vitamin-e supplement
- Cost: $44
- Quantity: 30 capsule
- Dosage: 50mg of caffeine
- Pros: Vegetarian capsule, GMP certified, calm, controlled caffeine kick, no jitters or crashes
- Cons: More expensive than similar supplement, available only on its website.
Performance Lab Caffeine+ provides a gentle boost of caffeine with other ingredients to help energize the body naturally. Each serving provides 50 mg of natural caffeine, along with B vitamins, L-theanine, and L-tyrosine.
3. Nutricost Caffeine
Best for a gelatin capsule
- Cost: $10
- Quantity: 120 capsule
- Dosage: 200mg of caffeine
- Pros: Third-Party Testing, non-GMO, gluten-free, quicker response
- Cons: More expensive than similar supplement, available only on its website.
Nutricost Caffeine capsules come in 100 mg or 200 mg servings. The supplement contains no other active ingredients and consists of only rice flour and a gelatin capsule. It is a simple and pure option but may not be suitable for vegetarians as the gelatin comes from animal sources.
4. Zhou Nutrition Energy + Focus
Best for a vegan capsule
- Cost: $15
- Quantity: 60 capsule
- Dosage: 100mg of caffeine
- Pros: All-natural caffeine for energy, ashwagandha for mood, no artificial flavors or colors
Zhou Nutrition Energy + Focus offers a blend of caffeine and L-theanine. Each serving delivers 100 mg of caffeine extracted from coffee, along with 200 mg of L-theanine. The capsules are also vegan-friendly.
5. BulkSupplements Caffeine
Best for a simple supplement
- Cost: $17
- Quantity: 300 capsule
- Dosage: 200mg of caffeine
- Pros: Boosts Exercise Performance, supports brain health, additives, and artificial flavors, pure and convenient
- Cons: tastes a bit bitter
BulkSupplements offer a simple caffeine solution, with a capsule containing 200 mg of caffeine with no added ingredients. These may be a suitable option for people who prefer a pure product. They are available in both gelatin and vegetarian-friendly capsules.
Benefits of Caffeine Tablets
Caffeine is a highly popular stimulant. A 2014 study estimates that 85% of the United States population consumes at least one caffeinated beverage daily. Popular forms include coffee, tea, cola, or other soft drinks.
Caffeine may be a useful substance as a fast-working natural stimulant. A 2019 study notes that this drug’s most well-known benefits include improved mood, physical performance, and brain function.
Additionally, caffeine may temporarily:
- increase energy
- increase alertness, focus, and attention
- reduce feelings of fatigue or sleepiness
- reduce headaches
- reduce perceptions of pain and fatigue
- boost metabolism
- improve memory
Importantly, these effects are temporary and only last as long as the caffeine remains in the body.
The Food and Drug Administration (FDA) notes that caffeine consumption of up to 400 milligrams (mg) a day is generally not associated with negative effects in healthy adults.
However, some people are more sensitive to caffeine than others, and each individual will have a different tolerance level.
Risks and side effects
Caffeine pills cause no side effects when taken as directed, which means caffeine pills are as safe as any other supplement.
For most people, it is not harmful to consume up to 400mg of caffeine a day. If you do eat or drink too much caffeine, it can cause health problems, such as:
- Restlessness and shakiness
- Insomnia
- Headaches
- Dizziness
- Fast heart rate
- Dehydration
- Anxiety
- Dependency, so you need to take more of it to get the same results
The National Center for Complementary and Integrative Health (NCCIH) notes that there is a link between excessive caffeine and issues such as:
- dehydration
- sleep issues
- anxiety
- digestive problems
Large amounts of caffeine may also cause serious issues in the heart and blood vessels, including:
- rapid heart rate
- heart palpitations
- increases in blood pressure
Children, teenagers, and young adults should avoid taking caffeine pills. This drug may harm the developing nervous and cardiovascular systems in young people.
Can caffeine pills be used for weight loss?
Yes it is, caffeine pills can be used for weight loss. However, it would be best to combine them with proper exercise and diet to see results.
How long will caffeine stay in my system?
Caffeine will stay in your system for as long as a few hours, but the exact amount will depend on how much caffeine you took.
If you stick to the script and take only as directed, the caffeine should clear your system in 4 or 5 hours. If you overdid it, you could be in for a long sleepless night.
Summary
Caffeine pills allow people to take measured doses of the stimulant in a simple form, which may provide energy and a boost in alertness and mental performance.
However, it is vital to use caffeine wisely and follow the instructions on the label. Before trying supplements, people should consult a doctor, particularly when taking other prescription medicines.
People sensitive to caffeine may want to avoid caffeine pills and try alternatives, such as drinking more water or going for a brisk walk.
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