Semaglutide (20 mg Vial)

Complete dosage protocol and reconstitution guide for Semaglutide (20 mg Vial). Review reconstitution steps, storage guidance, syringe units, and research-use notes.

Designed for biological research and industrial applications, not intended for individual clinical or medical purposes.
Semaglutide (20 mg Vial)

CAT No:

CAS No:

Synonyms/Alias:Semaglutide

M.F/Formula:

M.W/Mr.:

Purity:Specification by inquiry

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Complete dosage protocol and reconstitution guide for Semaglutide (20 mg Vial). Review reconstitution steps, storage guidance, syringe units, and research-use notes.

Quickstart

Reconstitute: Add 3.0 mL bacteriostatic water → ~ 6.67 mg/mL concentration.

Weekly dose range: 250–2400 mcg (0.25–2.4 mg) once weekly (gradual escalation protocol).

Easy measuring: At 6.67 mg/mL, 1 unit = 0.01 mL ≈ 66.7 mcg on a U-100 insulin syringe.

Storage: Lyophilized: freeze at −20 °C (−4 °F) ; after reconstitution, refrigerate at 2–8 °C (35.6–46.4 °F) and use within 28 days.

Notes

Practical considerations for consistency and safety. Use new sterile insulin syringes for each injection; dispose in a proper sharps container [11] . Rotate injection sites systematically (abdomen, thighs, upper arms) to reduce local irritation and avoid lipohypertrophy [10] . Inject slowly and steadily; wait a few seconds before withdrawing the needle to ensure complete delivery. Administer on the same day each week for consistency; if a dose is missed, take it as soon as possible within 5 days of the missed dose [4] . GLP-1 receptor agonists may cause gastrointestinal side effects (nausea, v

Single peptide protocol reference: Available for related research, development or formulation inquiry workflows.

Reconstitution and handling reference: Available for related research, development or formulation inquiry workflows.

Research-use documentation inquiry: Available for related research, development or formulation inquiry workflows.

Source URL
https://peptide.cn.com/single-peptide-dosages/semaglutide-20-mg-vial-dosage-protocol
Weeks 1–4
Weekly Dose: 250 mcg (0.25 mg) | Units (per injection) (mL): 4 units (0.04 mL)
Weeks 5–8
Weekly Dose: 500 mcg (0.5 mg) | Units (per injection) (mL): 7.5 units (0.075 mL)
Weeks 9–12
Weekly Dose: 1000 mcg (1.0 mg) | Units (per injection) (mL): 15 units (0.15 mL)
Weeks 13–16
Weekly Dose: 1700 mcg (1.7 mg) | Units (per injection) (mL): 25.5 units (0.255 mL)
Weeks 17+ (Maintenance)
Weekly Dose: 2400 mcg (2.4 mg) | Units (per injection) (mL): 36 units (0.36 mL)
Long-term Storage Conditions
Lyophilized: freeze at −20 °C (−4 °F) ; after reconstitution, refrigerate at 2–8 °C (35.6–46.4 °F) and use within 28 days.
Shipping Condition
Shipping conditions by inquiry

Peptide Vials (Semaglutide, 20 mg each): 8 weeks ≈ 1 vial (3 mg total used)

12 weeks ≈ 1 vial (7 mg total used)

16 weeks ≈ 1 vial (13.8 mg total used)

20 weeks ≈ 2 vials (23.4 mg total used with maintenance dosing)

Insulin Syringes (U-100): Per week: 1 syringe

8 weeks: 8 syringes

12 weeks: 12 syringes

16 weeks: 16 syringes

20 weeks: 20 syringes

Bacteriostatic Water (10 mL bottles): Use ~3.0 mL per vial for reconstitution. 8 weeks (1 vial): 3 mL → 1 × 10 mL bottle

12 weeks (1 vial): 3 mL → 1 × 10 mL bottle

16 weeks (1 vial): 3 mL → 1 × 10 mL bottle

20 weeks (2 vials): 6 mL → 1 × 10 mL bottle

Alcohol Swabs: One for the vial stopper + one for the injection site each week. Per week: 2 swabs

8 weeks: 16 swabs

12 weeks: 24 swabs

16 weeks: 32 swabs

20 weeks: 40 swabs → recommend 1 × 100-count box

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