Feb 19 • 🌶️Peppers Education🌶️
Intramuscular (IM) vs. Subcutaneous (SQ)
💉 IM vs SubQ — Think of It Like This
SubQ (Subcutaneous)
- Injected into the fat layer right under the skin
- Usually belly, love handle, back of arm
- Small insulin needle
- Slower, steadier absorption
- Usually very comfortable
👉 Think: “Soft tissue / fat layer”
IM (Intramuscular)
- Injected into the muscle
- Usually glute, quad, or deltoid
- Slightly longer needle
- Absorbs faster because muscle has more blood flow
- Can feel a little more sore
👉 Think: “Deeper into muscle tissue”
🧠 Which Peptide Goes Where?
It depends on how the peptide was designed to work.
🌿 Typically SubQ:
- Fat loss peptides (AOD, HGH frag, Tesamorelin)
- GLP-related compounds
- NAD+
- Glutathione (often SubQ or IM depending on comfort)
- MOTS-c (commonly SubQ, sometimes IM)
These are meant for systemic circulation (whole body effects), and SubQ works great.
💪 Typically IM:
- Injury/joint targeted peptides
- Regenerative or repair-focused peptides
- Some people prefer IM for faster uptake
Examples:
- Cartalax (often IM or near joint per protocols)
- ARA-290 (commonly SubQ, sometimes IM depending on goal)
🧩 Easy Rule of Thumb
If it’s:
- Metabolism / fat loss / anti-aging / general wellness → usually SubQ
- Joint repair / muscle healing / localized injury → often IM
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Intramuscular (IM) vs. Subcutaneous (SQ)
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