High Caffeine 200 mg
Natrol
High Caffeine 200 mg
4.7
★ ★ ★ ★ ★
(587 ratings)
Caffeine 200 mg
Score 90.0
Natrol High Caffeine is a cost-effective, no-frills caffeine supplement delivering 200mg per serving for direct energy and focus.
Quantity: 100 Tablet(s)Servings size: 1 Tablet(s) (100 servings)
Selected goals:
Other goals:
Energy
Mental Focus
Productivity Boost
Fitness
Metabolism Boost
leaderboard Score 90.0
Natrol High Caffeine is a cost-effective, no-frills caffeine supplement delivering 200mg per serving for direct energy and focus.
insights Analysis
This product provides a standard 200mg dose of caffeine, which is equivalent to a strong cup of coffee or most energy drinks, and is well-recognized for its immediate effects on alertness and energy. The inclusion of 75mg of Calcium is likely a minor filler and does not significantly contribute to the stated goals. Its main appeal lies in its low price per serving and high quantity, making it an economical choice for regular caffeine users. However, it lacks other ingredients that could enhance mental clarity, reduce jitters, or provide comprehensive nutritional support for sustained energy or metabolic benefits beyond caffeine's direct effects.
- Extremely cost-effective with a very low price per serving, making it a budget-friendly option for consistent caffeine intake.
- Provides a precise and potent 200mg dose of caffeine, allowing for easy control over stimulant intake.
- Simple ingredient profile means fewer potential interactions or unnecessary additives for those who only want caffeine.
- Only contains caffeine as the primary active ingredient, lacking synergistic compounds like L-Theanine which could mitigate jitters or enhance cognitive benefits.
- Does not offer comprehensive support for mental focus or productivity beyond caffeine's direct stimulant effects.
- The single high dose of 200mg may be too much for individuals sensitive to caffeine, requiring users to cut or split tablets.
- High caffeine content may cause jitters, anxiety, increased heart rate, or sleep disturbances, especially if consumed late in the day or by caffeine-sensitive individuals.
$7.99($0.07 per serving)
 iHerb | $ 7.99 |
bolt Effectiveness for goals
Caffeine functions as a central nervous system stimulant, primarily by blocking adenosine, a neurotransmitter that promotes relaxation and sleepiness. By inhibiting adenosine receptors, caffeine helps to increase activity in the brain, leading to heightened alertness and a reduced perception of fatigue. This mechanism can also impact other neurotransmitters like dopamine and norepinephrine.
Yes, caffeine is widely recognized for its ability to increase alertness and decrease feelings of drowsiness. It works by blocking adenosine, a neurotransmitter that promotes relaxation and sleepiness. This effect can help individuals feel more awake and focused.
Research indicates that caffeine can improve various aspects of physical performance, particularly in endurance activities. It may enhance muscle contraction, reduce perceived exertion, and delay the onset of fatigue. These effects are often dose-dependent and vary among individuals.
Caffeine can have positive effects on certain aspects of cognitive function, including attention, concentration, and reaction time. While it doesn't typically enhance complex decision-making, it can improve vigilance and the ability to sustain attention over time. These effects are often linked to its stimulant properties.
Caffeine can positively influence certain cognitive functions, including attention, vigilance, and reaction time. While it may enhance the ability to sustain attention and process information faster, its effects on complex memory tasks can be less consistent. Individual responses vary based on factors like baseline caffeine consumption and genetics.
schedule Dosage, timing & forms
For most healthy adults, a daily intake of up to 400 mg of caffeine is generally considered safe and not associated with adverse effects. However, individual sensitivity to caffeine can vary significantly. Pregnant or breastfeeding women, and individuals with certain health conditions, may require lower limits.
For most healthy adults, a daily intake of up to 400 milligrams (mg) of caffeine is generally considered safe and not associated with harmful effects. This amount is roughly equivalent to four standard cups of brewed coffee. Individual tolerance can vary, and some people may experience adverse effects at lower doses.
A typical single dose of caffeine for an energy boost often ranges from 50 to 200 mg, similar to what is found in a standard cup of coffee. Individual tolerance and the specific product can influence the effective dose. Higher doses may be used in specific contexts, but generally, lower doses are effective.
Typical serving sizes for caffeine supplements often range from 100 mg to 200 mg per dose. This amount is comparable to the caffeine content found in one to two cups of brewed coffee. The general recommendation for most healthy adults suggests limiting total daily caffeine intake to 400 mg.
For increased alertness, caffeine is commonly consumed in the morning or approximately 30-60 minutes before an activity requiring focus or physical exertion. The effects typically peak within this timeframe. To avoid sleep disruption, it is generally advised to limit consumption closer to bedtime.
health_and_safety Safety & interactions
Excessive caffeine intake can lead to symptoms such as jitters, anxiety, restlessness, insomnia, and an increased heart rate. Some individuals may also experience stomach upset or headaches. These effects typically subside as caffeine is metabolized.
Healthcare providers generally recommend that pregnant and breastfeeding individuals limit their caffeine intake. High levels of caffeine may be associated with risks during pregnancy and can pass into breast milk. It is best to discuss specific limits with a doctor.
Caffeine is a stimulant that can interfere with sleep patterns, especially when consumed close to bedtime. It blocks adenosine, a brain chemical that promotes drowsiness, making it harder to fall asleep and reducing sleep quality. Its effects can last for several hours.
For most healthy adults, a moderate caffeine intake of up to 400 milligrams per day is generally considered safe. This amount is roughly equivalent to four cups of brewed coffee. Exceeding this limit can lead to adverse effects.
For most healthy adults, a daily intake of up to 400 milligrams of caffeine is generally considered safe and not associated with negative health effects. This amount is roughly equivalent to about four cups of brewed coffee. Individual tolerance can vary based on genetics and other factors.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Calcium | 75 mg |
Caffeine | 200 mg |
Categories
Caffeine 95.0
It's a pure and potent caffeine supplement, offering excellent value and straightforward delivery of the primary ingredient for this collection.
Goals
Energy 90.0
Delivers a strong and immediate energy boost due to the substantial 200mg caffeine content, effective for kickstarting alertness.
Fitness 80.0
Caffeine is a well-established ergogenic aid, enhancing performance, reducing perceived exertion, and delaying fatigue during workouts, making it beneficial for fitness.
Mental Focus 75.0
Caffeine is known to improve focus and concentration, but without complementary nootropics, its effect is primarily through general stimulation rather than enhanced cognitive pathways.
Recommended Alternatives
88 Value 
Elite
Eu Natural
4.2
★★★★★
(3310 ratings)
This alternative provides the highly effective L-Theanine (200mg) and Caffeine (100mg) combination for balanced energy and focus. It offers these enhanced cognitive benefits at a very competitive price per serving, representing excellent value for an upgraded energy experience.
87 Value 
Smart Caffeine with L-Theanine
NS Natural Stacks
4.4
★★★★★
(758 ratings)
Similar to 'Elite', this product offers a beneficial 200mg L-Theanine and 100mg caffeine blend. It promotes smooth energy and mental clarity at a highly economical price point per serving, making it a strong value contender for those seeking an improved caffeine experience.
85 Value 
Sports Energy Extreme
NOW Sports
4.5
★★★★★
(1884 ratings)
While slightly higher in price per serving than pure caffeine, this alternative offers an extensive blend of energy-supporting ingredients beyond just caffeine (100mg), including L-Carnitine, L-Tyrosine, Taurine, and various B vitamins. It provides comprehensive energy and performance support for a valuable price, especially for fitness enthusiasts.
90 Performance 
L-Theanine & Caffeine
SR Sports Research
4.4
★★★★★
(3020 ratings)
Nutritionists and online reviews frequently highlight the synergistic benefits of caffeine with L-Theanine. This alternative combines 100mg caffeine with 200mg L-Theanine, a popular blend known to provide smooth, focused energy without the jitters often associated with caffeine alone, offering a superior experience for mental clarity and productivity.
92 Performance 
Energy + Focus
ZHOU
4.1
★★★★★
(234 ratings)
This product features a potent combination of 200mg caffeine alongside 200mg L-Theanine. This higher dose of L-Theanine relative to caffeine is highly regarded for significantly enhancing concentration and reducing caffeine-induced anxiety, making it a powerful and balanced nootropic alternative for sustained mental performance.
93 Performance 
TheanineUP Focused Energy
California Gold Nutrition
4.6
★★★★★
(1862 ratings)
This is a more sophisticated multi-ingredient blend, featuring 100mg caffeine, 100mg L-Theanine, Matcha Green Tea, and Cocoa. This provides a more rounded energy and focus experience with added antioxidants and cognitive support compounds, making it a more comprehensive and superior alternative for brain health and sustained alertness.
95 Budget 
Caffeine 200 mg
ALLMAX
4.7
★★★★★
(14214 ratings)
This alternative offers the exact same 200mg caffeine dose at a slightly lower cost per serving, making it an exceptionally economical choice for a pure caffeine supplement.
75 Budget 
Kre-Alkalyn Hardcore
All American EFX Sports
4.5
★★★★★
(758 ratings)
While not strictly cheaper than the original, this product provides 180mg of caffeine along with Kre-Alkalyn and Theobromine, offering a basic energy boost with additional compounds at a relatively low price per serving, appealing to those seeking more than just pure caffeine at an affordable rate.
70 Budget 
Energy
Bayer One A Day
4.7
★★★★★
(125 ratings)
This alternative delivers a lower 90mg caffeine dose but incorporates a comprehensive multivitamin and mineral blend. It offers combined energy and broad nutritional support for overall health at a competitive price per serving, presenting a cost-effective daily boost for general well-being.
88 Value
Elite
Eu Natural
4.2
★★★★★
(3310 ratings)
This alternative provides the highly effective L-Theanine (200mg) and Caffeine (100mg) combination for balanced energy and focus. It offers these enhanced cognitive benefits at a very competitive price per serving, representing excellent value for an upgraded energy experience.
87 Value
Smart Caffeine with L-Theanine
NS Natural Stacks
4.4
★★★★★
(758 ratings)
Similar to 'Elite', this product offers a beneficial 200mg L-Theanine and 100mg caffeine blend. It promotes smooth energy and mental clarity at a highly economical price point per serving, making it a strong value contender for those seeking an improved caffeine experience.
85 Value
Sports Energy Extreme
NOW Sports
4.5
★★★★★
(1884 ratings)
While slightly higher in price per serving than pure caffeine, this alternative offers an extensive blend of energy-supporting ingredients beyond just caffeine (100mg), including L-Carnitine, L-Tyrosine, Taurine, and various B vitamins. It provides comprehensive energy and performance support for a valuable price, especially for fitness enthusiasts.
90 Performance
L-Theanine & Caffeine
SR Sports Research
4.4
★★★★★
(3020 ratings)
Nutritionists and online reviews frequently highlight the synergistic benefits of caffeine with L-Theanine. This alternative combines 100mg caffeine with 200mg L-Theanine, a popular blend known to provide smooth, focused energy without the jitters often associated with caffeine alone, offering a superior experience for mental clarity and productivity.
92 Performance
Energy + Focus
ZHOU
4.1
★★★★★
(234 ratings)
This product features a potent combination of 200mg caffeine alongside 200mg L-Theanine. This higher dose of L-Theanine relative to caffeine is highly regarded for significantly enhancing concentration and reducing caffeine-induced anxiety, making it a powerful and balanced nootropic alternative for sustained mental performance.
93 Performance
TheanineUP Focused Energy
California Gold Nutrition
4.6
★★★★★
(1862 ratings)
This is a more sophisticated multi-ingredient blend, featuring 100mg caffeine, 100mg L-Theanine, Matcha Green Tea, and Cocoa. This provides a more rounded energy and focus experience with added antioxidants and cognitive support compounds, making it a more comprehensive and superior alternative for brain health and sustained alertness.