Best Melatonin Spray (2026): One Bottle Tells You the Amount

Six sprays tell you nothing. This one tells you 1.5 mg. Source Naturals Sleep Science Melatonin NutraSpray states 1.5 mg and a 2 fluid ounce bottle at $10.15, which is $10.15 / 2 = about $5.08 a fluid ounce.

One and a half milligrams is also a sensible figure rather than a token one. Many sleep clinicians favor the lowest amount that helps, commonly cited as 0.5 to 3 mg, and describe larger amounts as more likely to leave next-day grogginess; that is general guidance and not a recommendation for you. A spray landing near the bottom of that range is a more defensible design than one landing nowhere in particular.

Source Naturals is a mid-tier brand with a deep melatonin range, including 1 mg vegan lozenges in a 300 count at $17.85 and a 1 mg liquid at $6.89, both of which state their amounts too. The whole brand is in the Source Naturals melatonin review, and the spray against pill question is argued in melatonin spray vs pills.

Four times the volume of a typical bottle, for less than the pick. Piping Rock Melatonin Sleep Spray is 8 fl oz at $9.99, which is $9.99 / 8 = about $1.25 a fluid ounce. Nothing else here is close on volume for the money.

Piping Rock is a value manufacturer that sells very large counts at very low prices across its whole range, and its 10 mg gummies at $4.44 for 70 and 5 mg fast dissolve tablets at $5.99 for 200 both state their amounts. The spray is the outlier in its own line for not stating one, which is worth noticing.

Everything named except the number that matters. NaturesPlus Melatonin Spray names natural peppermint flavor, vitamin B6 and vitamin E, states vegetarian and gluten free, and gives a 2 fl oz size at $21.95, which is $21.95 / 2 = about $10.98 a fluid ounce. It does not state a melatonin amount.

NaturesPlus is a long-established supplement house rather than a marketplace label, and the vegetarian and gluten free statements will matter to some buyers; the wider vegan question is covered in best vegan melatonin. If you use it nightly, the two pack at $37.32 works out to 4 fl oz total and about $9.33 an ounce, a saving of roughly 15 percent.

Compact, and priced like the compactness is the feature. Dr. Mercola Sleep Support with Melatonin Spray is 0.98 fl oz at $17.99, which is $17.99 / 0.98 = about $18.36 a fluid ounce.

Against that, you are paying a strong premium for a small amount of an unquantified liquid, and the multi-pack does not help much: the three pack at $37.97 gives 2.94 fl oz total, about $12.91 an ounce, still more than double the pick.

The practitioner tier, at half the price of the other one. DAVINCI Labs Liposomal Melatonin Spray is 30 mL at $22.56, about 1.01 fluid ounces and roughly $22.25 an ounce.

What is genuinely defensible here is the channel. Practitioner-brand supplements are subject to a level of professional scrutiny that marketplace labels are not, which matters in a category where published analyses have found melatonin content varying from what labels state. That is a manufacturing observation and nothing more. The comparable brand in capsules is covered in the Pure Encapsulations melatonin review.

Cool spearmint, and then a blank page. Isagenix Renewal Sleep Support Melatonin Spray states a cool spearmint flavor at $27.00 and publishes neither a melatonin amount nor a bottle size, so this card carries no cost per ounce.

The flavor is a genuine plus, since spearmint is one of the better profiles for something sprayed directly onto the tongue at bedtime, and Isagenix is a large direct-sales brand with an established customer base. But at $27.00 with no size and no amount, it is the hardest recommendation to make honestly on this page.

The most expensive ounce in the format. Quicksilver Scientific Liposomal Melatonin is 30 ml at $34.20, about 1.01 fluid ounces and roughly $33.73 an ounce, against about $1.25 for the Piping Rock bottle.

Quicksilver has a real reputation in the practitioner channel for liposomal formulation specifically, so if that technology is the reason you are shopping, this is the brand most associated with it. If it is not, this is a very expensive ounce of a product whose melatonin content is not published. For anyone who wants a stated amount at a fraction of the price, the Source Naturals NutraSpray states 1.5 mg at about $5.08 an ounce.