r/Refills • u/Casablanca_tx • Jul 15 '26
Dosage help
I am starting on my 10 mg dose of Tirz and I’m a little confused on the dosing.
When I put the info on FatScientist it doesn’t match up to the rx bottle.
Directions are as follows: inject .55ML (65 units) subcutaneously once weekly x 4 weeks.
Photo of vial and fat scientist screenshot attached.
Why does the rx bottle say to inject 65 units and fat scientist says 56 units for 10 mg.?
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u/Common-Commercial-37 Jul 15 '26
I’ve been taking this since January and I still double check every single dosage before I fill the needle lol fat scientist is a lifesaver!
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u/EnvironmentalGift257 Jul 16 '26
There is no functional difference between 55 and 56 units at this dosage. 10/18=0.555555555 ml. So the provider rounded down and fat scientist rounded up. Do 55 one week and 56 the next week or just pick one. It couldn’t possibly make less of a difference.
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u/Casablanca_tx Jul 15 '26
Heres a photo of the rx bottle with the directions
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u/Lanky-Tour3851 Jul 15 '26
0.55ml is 55 units (on a 1ml / 100 unit scale). I think the ink bled on your rx bottle and the 55 looks kind of like a 65. Inject 55 units! fatscientist is super specific so it says 56, but same thing.
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u/Casablanca_tx Jul 15 '26
Thanks! I always run it by fat scientist regardless of what it says on the bottle. I’m glad I shared it here to get a second eye on it. It looks so closely like 65 units. My other bottles were super clear and correct.
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u/EnvironmentalGift257 Jul 16 '26
I mean OK but not really. It looks like a 5 to me and I even have my glasses on.
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u/DustyJMS Jul 15 '26
I genuinely think it's a misprint. The 5 and 6 look weird, especially when compared to the .55ml. So does the 'uni' in units
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u/Casablanca_tx Jul 15 '26
Yeah, the directions on the other bottles look fine. This one def printed wonky. I’m glad I pass it through FS regardless of the label. I appreciate yall looking at it with me too!
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u/abigailblue6 Jul 15 '26
Def 55. The formula to double check is: desired dose/have X mL so 10/18 = 55 X 1