Modafinil Dosage Guide | Safety and Microdosing

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Just like other medications, modafinil dosage varies. This is on an individual basis and also depends on the type of medication you are taking and other factors. It is important to talk with your doctor or medical professional, or pharmacist to determine the exact dose you should be using.

You will only receive the appropriate dose when you talk with your doctor, so make sure to do this before beginning your regimen. Some people may need to take more or less, so it is important to discuss this with your doctor.

What is Modafinil?

Modafinil is a wakefulness drug [1] that helps individuals typically deal with sleepiness and fatigue during prolonged wakefulness, such as when conducting business activities such as phone calls or watching videos online. The drug works through the brain’s complex system of alertness and arousal, improving wakefulness without significantly affecting awareness or orientation. Used also in treatment of narcolepsy and excessive daytime sleepiness.[2]

Is Modafinil Safe?

Modafinil has been approved by the Food and Drug Administration (FDA) and is considered safe. It is generally very safe and well tolerated. One of the biggest drawbacks to modafinil is that it can be addictive and habit-forming, so you should use it with caution.

It is used in many clinical trials and is fairly safe when taken at recommended doses. It has been known to cause some side effects, such as discomfort, nervousness, anxiety, restlessness, decreased appetite and weight loss.

If you decide to use Modafinil, you start with the low dose ranges and slowly increase your dosage as needed. You should always start with a very low dose since it is a powerful stimulant and can cause people to become addicted to it. If you experience any side effects, decrease the dosage or stop taking it completely.

Quoting Dr Ivan Pavlov, a famous Russian physiologist, “If you can get away with it, do it.”

Modafinil Dosage Guide |The Basics

Everyone goes through their own Modafinil journey, and everyone is different. Some people start off at a small daily dose of 100 mg and gradually increase it to 400mg or higher. However, many people use Modafinil at doses between 100mg – 200 mg. Lots of people even use other drugs in addition to this, which can lead to withdrawal effects if you stop taking them all simultaneously.

Personally I’ve never gone higher than 200 mg daily for the past 2-3 years, and I don’t even consider myself a frequent Modafinil user. I’m just like most other Modafinil users, who use it as needed and use a very low dose (less than 100 mg daily), which is why I created this Modafinil dosage guide to help everyone understand what kind of doses are typical for different people.

Standard Prescription Modafinil Dose?

Very low. For Modafinil (Provigil), most physicians prescribe 100-200 mg per day, depending upon the individual patient’s medical condition, lifestyle, etc. It’s very common for some physicians to prescribe a lower dose for patients who are already taking other daily medications and don’t want to add on another one.[3]

Develop Your Personal Dosing Guidelines | 100-400mg

When you first start to take Modafinil, you will want to make sure that you build your dosage gradually. Depending on the individual and the reason for taking Modafinil, this may vary from person to person. It is important to know what results you are looking for because if it’s too high, it will stop working and cause unwanted side effects.

Modafinil Dosage of 100mg

For those who are in situations with low blood pressure or low blood sugar levels (which can be caused by sleep deprivation), you can start at 100 mg and surpass the standard amount used by physicians.

Modafinil Dosage of 200mg

For those who want extreme effects and to get the most out of Modafinil, the dose of 200 mg may be the answer. This is precisely why Modafinil was created for. If you want an incredible boost in energy and alertness, then you will probably want to consider taking this dose every day. However, it is very important to work with your doctor if you are considering higher doses because there are some serious side effects associated with this dose.

Modafinil Dosage of 400mg

For people who have a lot of work to do during the day and want to get it done, then the dose of 400 mg per day may be the best choice for you. However, this is not recommended for everyone because you may experience some side effects which are not found with a lower dose.
It is good to note that physicians who run clinical trials often start at 200 mg and gradually increase to 400 mg during these studies.

Microdosing Modafinil

Microdosing can be defined as taking 1/5th to 1/10th of the standard Modafinil dosage. It is not unusual for people to use low doses of Modafinil because it provides them with a stronger mental energy boost, and this is due to the way that their bodies react to it.
People who are sensitive to drugs tend to use lower doses of Modafinil because they find that they get the best effects out of it. It’s relatively easy for a user to develop a routine using these lower doses, and many users report having fewer side effects.

Why Choose Medsforless for 100mg to 200mg Dosage?

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Many people use Modafinil to increase their cognitive abilities and suppress fatigue. When attempting to achieve their full potential, they are recommended to take it at a low dose and gradually increase it over time. By doing this, they are able to get the most out of it and then taper off as needed to avoid getting addicted.

If you want to take Modafinil, then always talk with your physician first. You should never use it if you have heart or blood vessel conditions, diabetes or are pregnant. If you have any questions about Modafinil or any other substance, then feel free to reach out to +44203 950 4726. Please visit Medsforless and learn more about our 100mg and 200mg dose package. See our modafinil range here.


1. Modafinil. N.C.Kane, M.Gruber et al, Pharmacological Reviews, 55:241-352 (2003).

2. Modafinil. Naughton, Richard; Kroker, Karen (2005). “Modafinil: A Novel Approach to the Treatment of Narcolepsy”. Journal of Clinical Pharmacy and Therapeutics.

3. Modafinil (Prescription Drug): Summary and Safety Review – – Drugs.