Does Melatonin Break A Fast? [Intermittent Fasting FAQ]
Does Melatonin break a fast? If you are curious, keep reading and we will help answer this popular question!

If you sometimes struggle to fall asleep or stay asleep, you may choose to take melatonin. But how does melatonin affect your fast? Will melatonin break your fast? Do melatonin gummies break a fast? We will answer all of your questions in this article. Keep reading to learn more!
Does Melatonin Break A Fast?
It depends on the form of melatonin that you consume. In pill form, melatonin contains no carbs or protein, therefore it will not spike your insulin levels and won’t break a fast. However, melatonin in liquid or gummy form often contain additional ingredients and will break your fast.
Does Melatonin Break A Fast – Further Details
As we mentioned, it depends what form of melatonin you consume. If you consume melatonin pills without any added ingredients, you will not break your fast! Melatonin in capsule form is fasting-friendly.
However, if you consume a melatonin pill with added ingredients, melatonin gummies, liquid melatonin, melatonin powder or melatonin chocolates – these forms of melatonin will break your fast.
Do Melatonin Gummies Break A Fast?
Yes, melatonin gummies break a fast. Most melatonin gummies are made with sugar, syrups and added ingredients. All of these ingredients will spike your insulin levels, therefore breaking your fast.
There are many popular melatonin brands on the market such as Olly, Nature Made, Bulletproof Sleep, etc. All of these gummies WILL break your fast and should not be consumed during your fasting window.
Do Melatonin Chocolates Break A Fast?
Yes, melatonin chocolates break a fast. Melatonin chocolates contain a variety of ingredients that will spike your insulin levels and remove you from a fasted state.
A few popular brands of melatonin chocolates are Good Day Chocolate and Sweet Sleep FX Chocolate. Both of these brands will break your fast.
Do Melatonin Powders Break A Fast?
Yes, melatonin powders break a fast. Most melatonin powders on the market contain a mix of ingredients that will pull you from a fasted state.
Beam Dream Powder is a popular night-time drink that contains melatonin to help promote sleep. This melatonin power will break your fast.
Do you want to learn more about fasting? Check out our ultimate intermittent fasting guide!
What Is Melatonin?
Melatonin is hormone that is produced by the pineal gland in our brains. This hormone helps to regulate our circadian rhythm. Usually our bodies produce all of the melatonin that we need.
However, we all go through seasons when it can be challenging to fall asleep or stay asleep. During those times, melatonin is a safe supplement that you can consume to help you sleep.
Sometimes, when fasting, certain individuals find they have trouble sleeping. If you are having trouble sleeping due to fasting, melatonin may be a good solution for you.
What Can I Consume While Fasting?
If you are following a clean fast, you can consume the following items when fasting:
- Water (unflavored, no added fruit)
- Black coffee
- Plain green tea or black tea
- Mineral water, unflavored sparkling water, seltzer water (with no added ingredients)
- Salt, electrolytes or minerals (unflavored, no additives)
- Medications as prescribed by your doctor

Frequently Asked Questions
What supplements will not break a fast?
It depends on the supplement! A multivitamin for instance should be fine to take while fasting as long as it is not a multivitamin gummy or contain sugar. Collagen on the other hand, does break a fast. Do research on the specific supplement you want to take to determine if it breaks a fast.
Related: Does Collagen Break A Fast?
Does intermittent fasting increase melatonin?
No, there does not seem to be any evidence to show that fasting increases melatonin.