Best Caffeine Tablets Reviewed and Rated

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In a Hurry? Editors choice:
1. Bulk Supplements
Test Winner: 1. Bulk Supplements

More than 80% of adults consume coffee every day, making it the second most consumed beverage in the world after water. People love coffee for the positive effects of caffeine, on the nervous system. Caffeine acts on the brain to improve alertness, concentration, boost energy and metabolism, to uplift mood and increase fat breakdown. The effects of caffeine can be noticed after 30 minutes of consumption and can last for up to six hours.

Bulksupplements
  • Bulksupplements
  • 5 out of 5
    Our rating
  • Purity
  • Price: See Here
ProLab
  • ProLab
  • 4.6 out of 5
    Our rating
  • No Calories
  • Price: See Here
Natrol
  • Natrol
  • 4.3 out of 5
    Our rating
  • Fast Acting
  • Price: See Here

When taking coffee as a drink, it is hard to determine whether the amount of caffeine that you are taking is within the recommended limits. A study released in the Mayo Clinic Proceedings Journal established that 400mg of coffee per day is relatively safe. Some of us may consume much more than this, without even realizing that we are taking that much. Caffeine tablets help you to know the amount of caffeine that you consume in each serving. Caffeine tablets are also advantageous considering that you can take them on the go and that they are economical.

There are quite a number of caffeine products in the market, and it may be challenging for you know what to pick. We have taken time to create a comprehensive review of the ten best caffeine tablets products and written a detailed account of each of them in regards to the active and inactive ingredients, pros and cons, price and side effects.

These are the ten best products that we have reviewed.

10 Best Caffeine Tablets

1. Bulk Supplements

1. Bulk Supplements
Bulk Supplements are known for producing clean and pure products with no fillers and artificial additives. Bulk Supplements caffeine capsules are another great product on their line. The capsules have 200mg of pure caffeine covered with a bovine gelatin capsule.

The capsules are free of sugar, soy, dairy, yeast, gluten, and additives. Each serving can last for four to six hours while contributing to mental acuity, alertness and promoting energy release. This product is also lab tested for verification of purity and dosage.
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Features/Specifications

Each serving has 200mg of caffeine with no fillers
Encapsulated with a bovine gel capsule
Each package has 100 capsules
Free of sugar, soy, and additives
Gluten and dairy-free
Lab tested for verification

Directions for use: Take one tablet every four hours. However, you should not consume more than three tablets per day, and two tablets should not be taken at the same time.

Price/Value

These are fairly priced considering that they are pure capsules with no fillers, are quickly absorbed thus give fast actions and can last you for more than three months if you take a tablet per day.

Verdict

Just like most other Bulk Supplements products, the coffee tablets are pure with no fillers. For this reason, they have less undesired effects caused by artificial additives. The tablets have no added sugar, thus will not set you back on your weight loss journey by adding unnecessary calories. Even more, on the inside of the capsule, caffeine is in powder form, so once it is in the digestive tract, it is quickly absorbed and released to give fast results. Within 30 minutes, you can start feeling positive effects of the caffeine.
Pros
  • No fillers
  • Free of many potential allergens
  • No added sugar
  • No preservatives
  • Purity is guaranteed through independent lab testing
  • Easily dissolves in beverages
  • Small tablets
  • Fast action
Cons

Capsules are prone to breaking

2. ProLab

2. ProLab
ProLab tablets help to boost mental focus, enhance endurance during exercise and boost metabolism to avail more energy for physical activity. Each tablet has 200mg of caffeine and 75mg of calcium.

The tablets are free of sugar, so you do not have to worry about extra calories. They are also free of artificial coloring, preservatives, and flavorings. They are safe for people with wheat, egg, soy, and dairy sensitivity as they are free of these potential allergens.
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Features/Specifications

Each tablet has 200mg of caffeine and 75 mg of calcium, obtained from dibasic calcium phosphate
Other ingredients are stearic acid, cellulose gum, silica, magnesium stearate, methylcellulose, and glycerin.
The tablets do not contain any added sugar, coloring or flavoring
Free of gluten, soy, corn, dairy, egg, and yeast
Zero sugar
No calories
Each package has three bottles each with 100 tablets, so you get a total of 300 tablets

Directions for use: Take one to three tablets per day (do not exceed three) and allow three to four hours to elapse before a second serving.

Price/Value

These may look a bit pricey, but when you analyze them keenly, you will notice that they are very easy on the pocket. Each package comes with three bottles, each with 100 tablets, making a total of 300 tablets. If one tablet is enough for you for a day, then this product can last you for almost a year.

Verdict

ProLab is worth considering not just for their price and numbers, but also for the effectiveness. Each tablet has a 200mg which can keep you alert and focused for quite some time. Even better, they are free of many potential allergens and are thus safe for many people.
Pros
  • Many tablets (300) per package
  • No added sugar
  • No calories
  • Free of many potential allergens
  • Free of preservatives, flavors, and colorings
Cons
  • May cause stomach upsets

Pills are difficult to break

3. Natrol

3. Natrol
Natrol High tablets have 200mg of caffeine and calcium 75mg as the active ingredients. These active ingredients boost energy, and they help to improve mental alertness and wakefulness temporarily. They can be used when you when you want to focus on high-concentration activities when fatigued and even before exercising.

The Natrol High caffeine tablets have no added sugar and are free of many substances that may cause sensitivities. The tablets are not coated thus they are quickly absorbed and metabolized to give their effects. It has calcium as one of its active ingredients as when caffeine is taken in concentrated doses, it promotes excretion of calcium. Therefore, the calcium in the tablet will help replace the amounts lost and aid in the prevention of bone loss.
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Features/Specifications

Each tablet has 200mg of active caffeine and 75mg of calcium
Other ingredients include Stearic Acid, Cellulose Gum, Silicon Dioxide, Magnesium Stearate, Methylcellulose, and Glycerin.
No added sugar
Zero calories
Suitable for vegetarians
Each bottle has 100 tablets
Free of dairy, egg protein, nuts, fish, soy, yeast, and wheat.
No artificial coloring, preservatives or flavoring

Directions for use: take one tablet up to three times daily. If you need more than one serving per day, allow three to four hours in between the servings. You should not exceed three tablets for every 24 hours.

Price/Value

If you are on a budget, then Natrol High tablets are in the lower price range and extremely easy on your money. In addition, each bottle has 100 tablets which can take you more than three months if you are taking the minimum dosage.

Verdict

They are not coated, so they are easily broken down and absorbed to give quick actions- within 30 minutes, you can be fully alert. Therefore, these tablets are excellent as a pre-workout. They are also safe for use by a larger population as they are free of so many potential allergens and are suitable for vegetarian diets.
Pros
  • Fast acting
  • Zero calories
  • Suitable for vegetarian diet
  • No preservatives
  • Free of nuts, gluten, soy, and dairy
Cons

May cause headaches and anxiety in the initial days of use

4. Genius

4. Genius
Genius caffeine tablets stand out from most other products as they are a sustained-release type as they are microencapsulated. This means that once in the digestive tract, the caffeine is slowly released into the bloodstream and the effects of caffeine are thus prolonged. Therefore, you will stay awake for up to 12 hours. The slow-release property also allows the tablet to be administered in low doses of about 100mg per serving.

Genius tablets do not have any fillers, dyes, preservatives and are suitable for vegetarians as the capsule is obtained from plant sources.
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Features/Specifications

Each tablet has 100mg of pure caffeine
Is microencapsulated for sustained release
Inactive ingredients include cellulose, hypromellose, silica, magnesium stearate
Suitable for vegetarians
No fillers
No added sugar
Each bottle has 100 capsules

Directions for use: these tablets should be taken by someone who is more than 18 years old. The dosage is 1 to 2 tablets three times daily, and should not exceed six tablets daily. Before taking the second tablet, wait for 3 to 4 hours to pass.

Price/Value

Genius caffeine products are moderately priced. They are worth buying if you want a product that is low in dosage and has prolonged effects of caffeine.

Verdict

This option is worth considering if you want to be awake for a more extended period. They are microencapsulated, so they have an extended release of up to 12 hours. Meaning that if you take one tablet in the morning, it can last you until evening. The dosage is also minimal; thus, you can use it for longer without worrying about overdosage.
Pros
  • Positive effects are seen within a short time
  • The results can last up to 12 hours
  • No added sugar
  • Suitable for vegetarians
  • Zero calories
  • Low dosage
Cons

More likely to cause prolonged stomach upsets

5. Nutricost

5. Nutricost
Nutricost caffeine tablets are a USA-made product whose quality is guaranteed by adhering to manufacturing standards. Each tablet has 200mg of caffeine as the active ingredient to boost metabolism, cause mental alertness and uplift mood. This product is a non-GMO, free of gluten and has no added sugar.
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Features/Specifications

USA made
Each tablet has 200mg of caffeine anhydrous
The only other inactive ingredients are gelatin and rice flour
Non-GMO
Zero calories
No added sugar
Free of gluten
Each bottle has 250 tablets

Recommended usage: take one tablet up to two times daily and do not exceed two tablets in 24 hours. Also, you should wait for at least 3 to 4 hours to elapse before taking the second tablet.

Price/Value

They are reasonably priced for 250 tablets that have 200mg of pure coffee. They are fast acting, and the effects last for long. You should also consider that they can last you for more than six months if you are taking a minimal dosage, which is what is actually recommended.

Verdict

Nutricost products are well known for quality, safety, purity, and effectiveness. The tablets have also lived up to the standards, and as per the user reviews and independent tests, they are efficient, fast acting and have a prolonged effect. For these reasons, Nutricost caffeine tablets are a great buy.
Pros
  • Zero calories
  • Many tablets per bottle
  • Free of gluten
  • Non-GMO
  • No added sugar
  • Acts fast
Cons
  • Has a medicine-like taste
  • Not suitable for a vegetarian diet

6. Best Naturals

6. Best Naturals
Best Naturals tablets can be used at the beginning of the day as a replacement for coffee to enhance mental alertness, improve exercise endurance and elevate mood. Each tablet has 200mg of caffeine and about 75mg of calcium to replace what is lost through urinary excretion. The tablets are free of sugar. Thus they will not sabotage your weight loss journey.

The tablets have no artificial additives such as color, preservatives, and flavors. They are free of lactose, gluten, egg, soy, gluten, wheat, fish, and sodium. Also, the manufacturer is GMP certified, and purity and potency are guaranteed.
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Features/Specifications

USA made
Each tablet has caffeine 200mg and calcium 75 as the active ingredients
Inactive ingredients are dicalcium phosphate, cellulose, magnesium stearate, and silica.
GMP certified
Free of allergens
No flavor, color, and sweeteners
Free of preservatives
Each package comes as 120 tablets

Directions for use: Take one tablet up to three times daily, but allow 3 to 4 hours to elapse in between servings.

Price/Value

This option falls somewhere in the middle of our list when it comes to price. However, we would recommend this product for those looking for a light caffeine supplement especially in the mornings.

Verdict

Free of preservatives and colorants, this is a great light option which also contains a good amount of calcium. Good for those looking for a light energy boost when starting their day.
Pros
  • Contains calcium
  • Free of preservatives
  • Safe for people with various sensitivities
  • Subjected to purity and potency testing
  • No coloring and flavoring
Cons

Have a bitter taste

7. Jet-Alert

7. Jet-Alert
Jet-Alert tablets are fast acting, easy to take and can be taken at the instance that alertness is required, just as the product name suggests. Each tablet has 100mg of caffeine, thus excellent if you need the active ingredient in low doses.
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Features/Specifications

Caffeine dosage is 100mg per tablet
Inactive ingredients include calcium stearate, lactose, microcrystalline cellulose, and silicon dioxide.
Each package has 120 tablets
Fast releasing tablets
Non-habit forming

Directions for use: Can be taken by children above 12 years and adults. On dosage, take tablet every 3 hours or when needed. However, you should never exceed more than four tablets per day, and duration in between tablets should not be less than three hours.

Price/Value

Excellent price/value ratio. A good choice for younger generations who train often and need some additional energy to perform better.

Verdict

This is a great product for those looking for a budget friendly supplement yet efficient. It contains the basic ingredients but it's very effective and can be consumed by younger children (12 years and older).

Pros
  • Results can be seen almost immediately
  • They are non-habit forming
  • Can be taken when needed
  • Tablets are easy to swallow
  • Less stomach side effects
Cons
  • Not safe for people with lactose intolerance

May cause a caffeine rush in the initial days of use

8. Vali

8. Vali
Vali tablets are the extended release type as they are microencapsulated. Once in the digestive system, they are absorbed and released slowly for a sustained action and an effect that can last for more than ten hours. They stimulate the body metabolism and suppress appetite, thus help you to lose weight faster. Caffeine tablets also activate mental alertness making you concentrate and have psychological acuity for a long time.

They are subjected to third party testing for purity, and the manufacturer has a reputation for adhering to highest possible quality standards. The tablets are free of artificial colors, sweeteners, and flavors. The tablets are also vegan-friendly and are a non-GMO product.
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Features/Specifications

USA made
Each tablet has 100mg of caffeine
Microencapsulated for extended release
Vegan-friendly
Free of artificial coloring, preservatives, and sweeteners
GMP and FDA certified
Subjected to third-party testing
Other ingredients in this product are Rice Powder, Hypromellose (capsule), Microcrystalline Cellulose (plant fiber), Silicon Dioxide, and Magnesium Stearate (vegetable source)
Comes as a package of 100 tablets

Recommended dosage: Preferably, take one pill per day and do not exceed four tablets in 24 hours. If you need to take more than one tablet, wait for four hours before taking the second tablet.

Price/Value

This option is reasonably priced considering that they are extended release, give prolonged effects, are low in dosage, and the manufacturer has guaranteed purity.

Verdict

Vali tablets are safe to use considering that first, they have been subjected to independent testing for quality and purity. Second, they are an extended-release product that does not cause caffeine crashes and spikes. Third, they are low in dosage, therefore, are more likely to have fewer side effects. For these reasons, we are convinced that this product that is worth buying.
Pros
  • Is extended release so does not cause caffeine spikes
  • Tested for purity
  • Sourced only from plant sources
  • Free of artificial additives
  • Low dosage
Cons

May cause jitters and headache within 20 minutes of use

9. Vivarin

9. Vivarin
Vivarin helps to improve mental alertness and was one of the first market entrants for caffeine products. The tablets can be used as a startup in the morning to improve mood and boost energy throughout the day. They can also be taken before a workout or when feeling tired, fatigued and sleepy. Each tablet has 200mg of anhydrous caffeine and some fillers as inactive ingredients.
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Features/Specifications

Each tablet has 200mg of anhydrous caffeine as the active ingredient
Inactive ingredients include carnauba wax, silicon dioxide, corn starch, D&C yellow, dicalcium phosphate dihydrate, hypromellose, microcrystalline cellulose, polysorbate 80, titanium dioxide, magnesium stearate, and colloidal silicon dioxide.
Primary use is for improving mental alertness
Each package has 40 tablets

Recommended usage: Can be used for children above 12 years and adults. Dosage is one tablet every 3 to 4 hours.

Price/Value

Compared to other Vivarin caffeine tablets are in the higher price range considering they are only 40 tablets in each package.

Verdict

Although they are pricey, they are very highly effective in improving mental alertness and keeping you awake. Also, their effects can last the whole day and can, therefore, be used as a replacement for coffee or tea in the morning.
Pros
  • Fast acting
  • Effects are prolonged
  • Minimal calories from starch
  • Effective in keeping one alert and awake
  • Has a small amount of calcium replace what is lost by urinary excretion
Cons

Pricey

10. Allmax

10. Allmax
Allmax nutrition caffeine tablets are best for boosting energy, especially during physical activities. If you are aiming at losing weight, caffeine tablets help in boosting metabolism, suppressing appetite and increasing the rate of fat burn. Allmax caffeine tablets have caffeine in the form of anhydrous caffeine, and each tablet has 200mg strength.
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Features/Specifications

Each tablet has 200mg of anhydrous caffeine
Inactive ingredients are dicalcium phosphate, microcrystalline cellulose, vegetable magnesium stearate, and croscarmellose sodium.
Each bottle has 100 caffeine tablets

Directions for use: Take one tablet every eight hours but do not exceed 600mg (3 tablets) per day.

Price/Value

Since this option is packed with caffeine, it's higher price is justified especially for those looking for an immediate energy boost that will last for more than a few hours.

Verdict

Great option for those working out a lot and on a regular basis. The price is rather high but a good investment to get better results while training.
Pros
  • Prolonged action
  • Zero calories
  • No added sugar
  • Double strength tablets
  • Easy to break
Cons

Pills are hard to swallow



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