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October 28, 2026CompoundingHHS lets 503A pharmacies compound six peptides under an interim enforcement discretion policyOctober 28, 2026Trial resultRetatrutide beats Ozempic on blood sugar and weight in head-to-head TRANSCEND-T2D-2 trialOctober 23, 2026FDA approvalFDA extends once-weekly insulin icodec (Awiqli) to children 10 and older with type 2 diabetesOctober 21, 2026CompoundingCitizen petition asks FDA not to allow compounding of seven peptides reviewed by its advisory committeeOctober 1, 2026Trial resultSurvodutide SYNCHRONIZE-2 phase 3 results in obesity with type 2 diabetes published in NEJMSeptember 30, 2026Trial resultEloraTZP (eloralintide plus tirzepatide) phase 2 results presented at EASD 2026September 30, 2026Trial resultOrforglipron ACHIEVE-4 cardiovascular safety trial published in The LancetSeptember 29, 2026Trial resultFull TRIUMPH-2 retatrutide results published in The LancetSeptember 24, 2026FDA approvalFDA approves insulin efsitora alfa (Onswik), a once-weekly basal insulin for type 2 diabetesSeptember 21, 2026WADAWADA publishes 2027 Prohibited List, naming peptides as examples of non-approved substances

October 28, 2026CompoundingHHS lets 503A pharmacies compound six peptides under an interim enforcement discretion policyOctober 28, 2026Trial resultRetatrutide beats Ozempic on blood sugar and weight in head-to-head TRANSCEND-T2D-2 trialOctober 23, 2026FDA approvalFDA extends once-weekly insulin icodec (Awiqli) to children 10 and older with type 2 diabetesOctober 21, 2026CompoundingCitizen petition asks FDA not to allow compounding of seven peptides reviewed by its advisory committeeOctober 1, 2026Trial resultSurvodutide SYNCHRONIZE-2 phase 3 results in obesity with type 2 diabetes published in NEJMSeptember 30, 2026Trial resultEloraTZP (eloralintide plus tirzepatide) phase 2 results presented at EASD 2026September 30, 2026Trial resultOrforglipron ACHIEVE-4 cardiovascular safety trial published in The LancetSeptember 29, 2026Trial resultFull TRIUMPH-2 retatrutide results published in The LancetSeptember 24, 2026FDA approvalFDA approves insulin efsitora alfa (Onswik), a once-weekly basal insulin for type 2 diabetesSeptember 21, 2026WADAWADA publishes 2027 Prohibited List, naming peptides as examples of non-approved substances

Peptide CompendiumLanguageSign in

Vial sizes

Quick math for the common vial strengths. Pick the amount of water added to see the concentration and how much is in each unit on a U-100 insulin syringe. This is arithmetic only, not a dose.

2 mgvial

Water	Strength	Per unit	10 units
1 mL	2 mg/mL	20 mcg	200 mcg
2 mL	1 mg/mL	10 mcg	100 mcg
3 mL	0.67 mg/mL	6.7 mcg	66.7 mcg
5 mL	0.4 mg/mL	4 mcg	40 mcg

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5 mgvial

Water	Strength	Per unit	10 units
1 mL	5 mg/mL	50 mcg	500 mcg
2 mL	2.5 mg/mL	25 mcg	250 mcg
3 mL	1.67 mg/mL	16.7 mcg	166.7 mcg
5 mL	1 mg/mL	10 mcg	100 mcg

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10 mgvial

Water	Strength	Per unit	10 units
1 mL	10 mg/mL	100 mcg	1000 mcg
2 mL	5 mg/mL	50 mcg	500 mcg
3 mL	3.33 mg/mL	33.3 mcg	333.3 mcg
5 mL	2 mg/mL	20 mcg	200 mcg

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15 mgvial

Water	Strength	Per unit	10 units
1 mL	15 mg/mL	150 mcg	1500 mcg
2 mL	7.5 mg/mL	75 mcg	750 mcg
3 mL	5 mg/mL	50 mcg	500 mcg
5 mL	3 mg/mL	30 mcg	300 mcg

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20 mgvial

Water	Strength	Per unit	10 units
1 mL	20 mg/mL	200 mcg	2000 mcg
2 mL	10 mg/mL	100 mcg	1000 mcg
3 mL	6.67 mg/mL	66.7 mcg	666.7 mcg
5 mL	4 mg/mL	40 mcg	400 mcg

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30 mgvial

Water	Strength	Per unit	10 units
1 mL	30 mg/mL	300 mcg	3000 mcg
2 mL	15 mg/mL	150 mcg	1500 mcg
3 mL	10 mg/mL	100 mcg	1000 mcg
5 mL	6 mg/mL	60 mcg	600 mcg

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50 mgvial

Water	Strength	Per unit	10 units
1 mL	50 mg/mL	500 mcg	5000 mcg
2 mL	25 mg/mL	250 mcg	2500 mcg
3 mL	16.67 mg/mL	166.7 mcg	1666.7 mcg
5 mL	10 mg/mL	100 mcg	1000 mcg

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Units are not doses. A U-100 syringe holds 100 units per mL. The numbers above only convert between milligrams, milliliters and units. See Syringes and units and the Reconstitution guide.