Topic
modafinil
7 guides about modafinil from our pharmacy team.
How long does modafinil last? Timing a 12-hour molecule
Summary: Modafinil's half-life is 12–15 hours — a single morning 200mg dose delivers 8–12 hours of functional wakefulness, with enough drug still circulating at midnight to wreck sleep if you dosed after noon. Here's the real timeline hour by hour, why afternoon dosing is the classic mistake, and how 100mg vs 200mg changes the curve.
Read guideIs modafinil legal in the UK? The honest answer for buyers
Summary: modafinil is a prescription-only medicine (POM) in the UK — not a controlled/banned drug. It's legal to possess and to import for personal use, but selling or supplying it without authorisation isn't. Here's the honest legal picture and how people obtain it.
Read guideModafinil dosage and uses: how much to take and when
Summary: the standard modafinil dose is 200mg once in the morning; 100mg suits sensitive users, and the max is 400mg. It works in about an hour and lasts most of the day. Here's how to dose it for wakefulness, how it compares to armodafinil, and the safety rules.
Read guideModafinil and Shift-Work Sleep Disorder
How Modafinil supports wakefulness in shift-work sleep disorder, including timing and a key contraceptive interaction to know about.
Read guideModafinil vs Caffeine: Why They Are Not Interchangeable
A factual comparison of modafinil, a prescription wakefulness medicine, and everyday caffeine, explaining why the two are very different.
Read guideModafinil 200: A Practical Guide to the Wakefulness Aid
What modafinil is used for, how it affects wakefulness, and the key cautions including its effect on hormonal contraception.
Read guideModafinil vs Armodafinil: How These Wakefulness Aids Compare
A balanced comparison of two related wakefulness medicines, what they share, and the cautions that apply to both.
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