Storage and handling Both peptides require refrigeration: Before reconstitution: 2-8C (refrigerator) or -20C (freezer) After reconstitution: 2-8C (refrigerator) Use within 28-30 days after reconstitution Protect from light Do not freeze liquid peptide Traveling with peptides: Cooler with ice packs Refrigerate ASAP at destination Pre-filled pens easier for travel Check local laws if international See our peptide storage guide , how long reconstituted peptides last in fridge , bacteriostatic water for peptides , and lyophilized vs liquid peptides
Quick Answer: Most people notice subtle changes in energy or mental clarity within 2 to 4 weeks of consistent use
Tirzepatide tends to produce greater average weight loss (around 22%), while semaglutide has more long-term safety data
The right choice depends on medical history, weight goals, lifestyle, insurance, and tolerance to side effects
These capsules or vials are intended solely for research and educational use, for handling, storage, and experimental study of laboratory materials