For intranasal peptides in a metered pump bottle. Enter the peptide amount, the solution volume, and how much each spray delivers to get micrograms per spray and sprays per dose.
What this calculator does
A nasal pump does not measure a dose. It delivers a fixed spritz of liquid, usually about 0.1 mL, every time you press it. How much peptide rides along in that spritz depends on how concentrated the solution is, which is set when you mix the bottle. This calculator finds the micrograms in each spray and then how many sprays add up to your dose.
Enter the peptide amount, the total solution volume in the bottle, the volume of one spray, and your target dose. From that it works out the concentration, the dose per spray, and the number of sprays you need. It always rounds up to a whole spray, because you cannot take a fraction of one, and shows the exact figure underneath so you can see how close the rounding is.
Reading the result
The main number is sprays per dose. The per-spray micrograms and the concentration are there so you can check the mix. Warnings flag a dose bigger than the whole bottle, more than five sprays at once, which is unusual for intranasal use, or less than half a spray, which is hard to deliver accurately. Use preservative-free saline for anything going in your nose, not plain bacteriostatic water.
Common questions
- How do you make a peptide nasal spray?
- Reconstitute the peptide in liquid, then load it into a metered nasal pump bottle. The bottle spray size and your total peptide amount decide how many mcg each spray delivers. From there you count sprays to hit your dose.
- How many mcg are in one spray?
- Divide the total peptide in the bottle by the number of sprays it holds. Put 10 mg, which is 10,000 mcg, into a bottle that gives 100 sprays and each spray is about 100 mcg. Change the fill amount or bottle size and the per-spray dose changes with it.
- How much liquid does one nasal pump deliver?
- Most metered nasal pumps deliver about 0.1 mL per spray, though some run 0.05 or 0.14 mL. Check your specific pump, because that number decides how many total sprays a bottle holds and how concentrated each one is.
- How many sprays do I need for my dose?
- Take your target dose and divide by the mcg per spray. If each spray is 100 mcg and you want 300 mcg, that is 3 sprays, usually split between both nostrils. A calculator does this for you once you enter the fill amount and pump size.
- What liquid should I use for a peptide nasal spray, saline or bac water?
- Preservative-free saline is the usual pick for nasal use because it is gentle on the nasal lining. Bacteriostatic water works too and its benzyl alcohol helps it last longer, but some people find it more irritating in the nose. Either can work, so choose based on comfort and how fast you will finish the bottle.
Pindrop is a calculation tool, not medical advice. Confirm your dose and protocol with a licensed healthcare provider.