This checklist covers the most commonly skipped safety steps in peptide research. Go through each section before starting any new compound — not just once, but every time you add something new to your protocol.
Important Notice
This checklist is an educational resource, not medical advice. Always consult a qualified
healthcare provider before using any peptide compound. Research peptides are not FDA-approved
for human use.
1
Provider & Medical Clearance
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Informed a qualified healthcare provider Critical Your prescribing physician, functional medicine doctor, or licensed provider knows what you are considering and why.
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Reviewed current medications for interactions Some peptides modulate growth hormone, insulin signaling, or inflammatory pathways — these can interact with common medications.
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Checked for contraindications in your medical history Critical Active cancers, thyroid conditions, autoimmune disorders, or pregnancy are common contraindications depending on the peptide class.
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Recent bloodwork baseline completed Important Minimum: CBC, CMP, IGF-1, fasting glucose, HbA1c. Establishes baseline before and after comparison.
2
Source Verification
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Certificate of Analysis (CoA) obtained Critical Third-party lab CoA confirming identity, purity (>98%), and absence of heavy metals, endotoxins, and microbial contamination.
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HPLC purity confirmed on CoA High-performance liquid chromatography purity should be stated, not just identity testing.
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Endotoxin / LAL test result present Critical for any injectable peptide. Bacterial endotoxins cause severe inflammatory reactions even in trace amounts.
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Vendor reputation independently verified Important Cross-reference against community review sources. Do not rely on vendor's own claims or testimonials alone.
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Proper storage conditions confirmed pre-purchase Confirm how the compound is stored and shipped. Many peptides degrade at room temperature or require dry ice shipping.
3
Reconstitution & Storage
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Bacteriostatic water (not sterile water) used for reconstitution Best Practice Bacteriostatic water contains 0.9% benzyl alcohol to prevent bacterial growth. Sterile water has no preservative — vials must be used immediately.
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Reconstitution math double-checked Calculate mcg/unit with: (vial mg × 1000) ÷ bac water mL = mcg per mL. Then divide by 100 for standard insulin syringe units.
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Reconstituted vials stored at 2–8°C (refrigerated) Important Freeze lyophilized peptides for long-term storage. Refrigerate after reconstitution. Mark date opened.
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Used within recommended window after reconstitution Most peptides should be used within 28–30 days of reconstitution. Discard any vials with cloudiness, particulate, or off-color.
4
Injection Technique (Injectable Peptides)
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Hands washed and injection site cleaned with alcohol swab Allow the alcohol to fully dry before injecting — wet alcohol causes stinging and may introduce moisture.
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Subcutaneous injection technique confirmed (not intramuscular unless specified) Most research peptides are subcutaneous. Pinch skin lightly, insert at 45-degree angle into fatty tissue.
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Injection sites rotated Best Practice Consistent injection at one location causes lipohypertrophy (fatty tissue buildup). Rotate between abdomen, thigh, and upper arm.
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Sharps container used for disposal Never recap used needles or discard in regular trash. Obtain a sharps container from any pharmacy.
Stop Immediately If You Experience Any of These
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Anaphylaxis symptoms: hives, throat tightening, difficulty breathing Call emergency services immediately. This is a medical emergency.
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Injection site: spreading redness, warmth, increasing pain after 24 hours May indicate infection. Seek medical evaluation. Do not continue injecting at that site.
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Severe hypoglycemia symptoms: trembling, confusion, rapid heartbeat Certain peptides potentiate insulin sensitivity. Monitor blood glucose if diabetic or pre-diabetic.
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Sudden or significant changes to existing conditions Unexpected worsening of thyroid levels, tumor markers, or autoimmune flares warrant immediate evaluation.
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Vial appears cloudy, has particulate, or unusual color Discard immediately. Do not inject. Properly reconstituted peptides should be clear and colorless.
5
Ongoing Protocol Hygiene
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Log each dose: date, time, amount, site, any reactions Best Practice A simple spreadsheet or notes app entry. Invaluable for identifying patterns if side effects develop.
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Cycle length and off-periods defined in advance Most protocols include cycle breaks to prevent desensitization and allow assessment of progress.
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Follow-up bloodwork scheduled for mid and end of cycle Important Peptides affecting IGF-1, insulin sensitivity, or inflammatory markers should be tracked, not assumed.
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Not stacking multiple peptides without established individual tolerance Establish baseline response to one peptide before adding another. Stacking makes it impossible to identify the source of side effects.