Feb 24 • 🌶️Peppers Education🌶️
SubQ vs IM Needle Sizes
💉 SubQ (Subcutaneous Injections)
These go into the fat layer under the skin (belly, love handles, upper glute fat, thigh fat).
✅ Ideal Needle Size:
- Gauge: 29–31g (insulin needle)
- Length: 5/16” (8mm) is most common
🔹 Best Choice for Most Peptides:
- 30g 5/16” insulin syringe
- Easy
- Very minimal discomfort
- Perfect for daily peptide use (like your glutathione, NAD+, AOD blends, etc.)
Since you're running multiple daily compounds, sticking with 30g 5/16" keeps things comfortable and consistent.
💪 IM (Intramuscular Injections)
These go into the muscle (glute, quad, deltoid).
Needle size depends on:
- Body fat level
- Injection site
- Volume of solution
✅ Standard IM Sizes:
AreaGaugeLength
Glute 22–25g 1–1.5”
Quad 23–25g 1–1.5”
Deltoid 23–25g 1”
🔹 Common Go-To:
- 25g 1” for most people
- 25g 1.5” if injecting glutes with higher body fat
Thicker oils may require a 23g to draw, but many people switch needles after drawing.
✨ Quick Cheat Sheet
- Peptides / Water-based compounds → SubQ → 30g 5/16”
- Oil-based hormones → IM → 23–25g 1–1.5”
💉 IM Needle Size for Amino Blends
✅ Most Common Setup
- Gauge: 25g
- Length: 1” (most women)
- Length: 1–1.5” (glute injections or higher body fat)
25g is a great balance — thin enough to be comfortable but wide enough for slightly thicker amino solutions.
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SubQ vs IM Needle Sizes
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