🔥 Written by the AlkaBurn Wellness Desk📅 Updated August 2026✅ Every ingredient checked against the label
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Understanding 138mg Of Caffeine: What That Number Actually Means

By the AlkaBurn Wellness Desk · · 6 min read

In Short

AlkaBurn's label discloses 138mg of Caffeine Anhydrous per capsule, plus a small additional amount from Green Tea and Green Coffee extracts, bringing the total to roughly 140-145mg.

Putting that number in context against familiar sources helps you decide whether it fits your day and your tolerance.

How 138mg compares to familiar sources

An 8-ounce cup of brewed coffee generally contains somewhere between 80 and 100mg of caffeine, though this varies significantly by bean, roast and brew method. A strong cup, or a larger serving, can reach 140-150mg or more. At 138mg, AlkaBurn's caffeine content sits in the range of a strong cup of coffee — not an extreme outlier, but meaningfully more than a standard 8-ounce cup.

Why the disclosed number matters

Many competing supplements in this category use vague language like ‘energy blend’ without specifying the actual caffeine content, making it hard to know what you are really taking. AlkaBurn's decision to state the exact 138mg figure is a genuine point of transparency worth recognising, even though the substance itself still requires the same caution as any concentrated caffeine source.

What this means for your total daily intake

Do the math on your full day: if you also drink coffee, tea, energy drinks, or take other caffeine-containing supplements, add AlkaBurn's roughly 140-145mg to that total. Health authorities generally suggest most healthy adults keep total daily caffeine under about 400mg, though individual tolerance varies considerably.

Timing matters

Caffeine has a half-life of roughly 5-6 hours in most adults, meaning a substantial portion remains in your system that long after consumption. Taking a 138mg dose in the afternoon or evening can meaningfully disrupt sleep for many people, which is part of why morning use is the sensible default for a formula like this.

Who should be more cautious

Extra caution is warranted for: anyone who is generally sensitive to caffeine, anyone who has been medically advised to limit stimulants, anyone with a heart rhythm condition or anxiety disorder, and anyone who is pregnant (where caffeine limits are generally lower). If any of these apply to you, discuss this formula with your doctor before starting.

Applying this to AlkaBurn

The 138mg figure is one of the clearest, most useful pieces of information on AlkaBurn's label, and it is the single most important number to factor into your decision if you are caffeine-sensitive or already consume other stimulant sources.

About this article: written by the AlkaBurn Wellness Desk for general information. It is not medical advice and does not replace guidance from a qualified healthcare professional. This website earns a commission on purchases made through links to the official store — see our editorial standards.
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