Peptide Cheat Sheet

Weight Loss & Metabolism

Compounds commonly referenced for appetite control, glucose management, and metabolic support.

Peptide	Primary use	Route	Typical range	Cadence	Common timing	Typical cycle
Semaglutide	Weight loss and glucose management	Injection Oral	0.25–2.4 mg · max 7.2 1.5–25 mg	Weekly Daily	Same weekday AM · empty stomach	Ongoing · titrate 3–4+ mo Ongoing
Tirzepatide	Weight loss and glucose management	Injection	Start 2.5 mg · max 15 mg	Weekly · titrate ≥4 wk	Same weekday · any time	Ongoing
Retatrutide	Multi-agonist weight loss and glucose support	Injection	1–12 mg	Weekly	Same weekday	48–80 wk
Cagrilintide	Appetite control and weight management	Injection	0.3–4.5 mg	Weekly	Same weekday	6–16 mo
AOD-9604	Fat reduction support	Injection Oral	250–500 mcg ~1 mg	1–2x daily Daily	AM or pre-workout AM	8–12 wk ~24 wk
5-Amino-1MQ	Metabolic support	Oral	50–100 mg	Daily	AM	8–12 wk
MOTS-c	Metabolism and exercise performance	Injection	5–10 mg	Daily	AM or pre-workout	8–12 wk

Frequently cited options for tissue repair, inflammation support, and connective tissue recovery.

Peptide	Primary use	Route	Typical range	Cadence	Common timing	Typical cycle
BPC-157	Tissue repair and gut support	Injection Oral Topical	250–500 mcg 1–6 mg Label amount	1–2x daily 3x daily Daily	AM or PM AM or PM AM or PM	4–8 wk 2–3 wk 2–3 wk
TB-500	Recovery and inflammation support	Injection Topical	2–4 mg 1 application	2–3x weekly 2x daily	Post-workout or PM AM + PM	4–8 wk ~4 wk
GHK-Cu	Collagen and skin support	Topical Injection	1–3% 1–2 mg	1–2x daily 1–2x daily	AM or PM AM or PM	8–12 wk 4–12 wk
LL-37	Antimicrobial and wound support	Injection Topical	500 mcg–1.6 mg Label amount	1–2x daily Care schedule	AM or PM Dressing change	2–4 wk Care schedule
KPV	Anti-inflammatory support	Oral Injection Topical	1–2 mg · oral / SL 1–2 mg Label amount	1–2x daily 1–2x daily Label cadence	AM or PM AM or PM AM or PM	4–8 wk 4–8 wk 4–8 wk
ARA-290	Neuropathic discomfort and tissue repair support	Injection	2–4 mg	Daily	AM or PM	4–8 wk

Reference ranges often used when protocols focus on GH signaling, recovery, and body-composition support.

Peptide	Primary use	Route	Typical range	Cadence	Common timing	Typical cycle
Tesamorelin	GH secretion and fat loss	Injection	2 mg	Daily	PM	≥180 days
Ipamorelin	GH secretion and recovery	Injection Nasal	200–300 mcg ~200 mcg	1–3x daily Daily	Bed or post-workout Bed · away from food	8–12 wk ~4 wk
CJC-1295	GH production and muscle growth	Injection	2 mg	2–3x weekly	Before bed	8–12 wk
GHRP-2	GH secretion and appetite support	Injection Nasal	100–300 mcg 100 mcg	2–3x daily 2x daily	AM · pre-workout · bed AM + bed · away food	8–12 wk ~4 wk
GHRP-6	GH secretion and appetite stimulation	Injection Nasal Oral	100–300 mcg 0.03 mg/kg 0.3 mg/kg	2–3x daily Single dose 2x daily	AM · pre-workout · bed Pre-meal Pre-meal	8–12 wk Single dose 4 days
Sermorelin	GH secretion support	Injection Nasal	0.2–0.5 mg ~100 mcg / spray	Daily 5 nights / wk	Before bed Before bed	3–6 mo Ongoing
Somatropin (HGH)	Growth hormone replacement context	Injection	Start 0.15–0.30 mg	Daily	PM	Ongoing
Modified GRF 1-29	GH secretion and recovery	Injection	100–200 mcg	1–3x daily	AM · post-workout · bed	8–12 wk
IGF-1 LR3	Muscle growth and recovery	Injection	20–50 mcg	Daily or training days	AM or post-workout	4–6 wk
Hexarelin	GH secretion and recovery	Injection Nasal Oral	100–200 mcg 1.25 mg 20 mg	1–2x daily 3x daily 3x daily	AM or bed AM or bed AM or bed	4–8 wk 8–15 days 8–15 days
PEG-MGF	Hypertrophy and post-training recovery	Injection	200–400 mcg	2–3x weekly	Post-workout	4–6 wk

A quick lookup for peptides often discussed around focus, learning, and neuroprotective support.

Peptide	Primary use	Route	Typical range	Cadence	Common timing	Typical cycle
Dihexa	Cognitive enhancement	Oral	10–20 mg	Daily	AM	4–8 wk
Semax	Cognitive function and neuroprotection	Nasal Injection	300–600 mcg / day ~300 mcg	1–2x daily Daily	AM or afternoon AM or afternoon	4–12 wk 4–12 wk
Pinealon	Cognitive function and neuroprotection	Oral Injection	1–2 mg / day ~1 mg	Daily Daily	AM AM	4–8 wk ~20 days
Cerebrolysin	Neuroprotection and cognition	Injection	5–30 mL	Daily	AM	10–20 days
P21	Neurogenesis support	Nasal Injection	200–400 mcg / day ~500 mcg	Daily Daily	AM AM	20–30 days 20–30 days
N-Acetyl Semax Amidate	Focus and cognitive resilience	Nasal Injection	300–600 mcg / day ~250 mcg	1–2x daily Daily	AM or early afternoon AM	2–4 wk 2–4 wk

Purpose-based references for sleep quality, nervous-system calm, and circadian rhythm support.

Peptide	Primary use	Route	Typical range	Cadence	Common timing	Typical cycle
DSIP	Sleep onset and sleep quality support	Injection Nasal	100–300 mcg 300 mcg	Nightly Nightly	30–60 min before bed 30–60 min before bed	2–6 wk 5–10 days
Selank	Stress regulation and sleep-supportive calm	Nasal Injection	250–400 mcg / day ~250 mcg	1–2x daily Daily	Afternoon or PM Afternoon or PM	2–6 wk 2–6 wk
Epithalon	Circadian rhythm and sleep timing support	Injection Oral	5–10 mg / day ~1 mg / day	Daily Daily	Before bed Before bed	10–20 days 10–20 days
Oxytocin	Relaxation and social-bonding support	Nasal	24 IU	2x daily	Spread across day	~4 wk

Immune modulation, repair, and longevity-oriented compounds that usually appear in cyclical reference protocols.

Peptide	Primary use	Route	Typical range	Cadence	Common timing	Typical cycle
Thymosin Alpha-1	Immune function and inflammation support	Injection	1.5 mg	2–3x weekly	AM	6–12 wk
NAD+	Cellular energy and longevity-support context	Injection Nasal Topical	50 mg 30 mg 100 mg / application	3x weekly Daily Daily	AM AM AM	30 days Ongoing Ongoing
Glutathione	Antioxidant and detoxification support	Oral Injection Nasal Topical	250 mg IM · 600 mg 100–200 mg Label amount	Daily Daily 3x daily 2x daily	Consistent time Consistent time Across day AM + afternoon	Ongoing Course based 10–13 wk 10–13 wk
VIP	Anti-inflammatory and immune modulation	Injection Nasal	50–100 mcg ~50 mcg	1–2x daily 2x daily	AM or PM AM or PM	3–6 mo 3–6 mo
Humanin	Mitochondrial support and neuroprotection	Injection	2–4 mg	Daily	AM	8–12 wk
SS-31	Mitochondrial and anti-aging support	Injection	20–30 mg	Daily	AM	~52 wk
FOXO4-DRI	Senescent cell clearance	Injection	Start 250 mcg	3x weekly	AM · space doses	3 wk

Short-cycle and event-based references for libido, sexual function, and related hormone-adjacent use cases.

Peptide	Primary use	Route	Typical range	Cadence	Common timing	Typical cycle
PT-141 (Bremelanotide)	Sexual function and libido support	Injection Nasal	1.75–2 mg 20 mg	Event · max 1 / day Event based	45 min–6 hr before 45–60 min before	Review at 8 wk Review at 8 wk
Melanotan II	Tanning and appetite suppression	Injection	250–500 mcg	Daily	PM	4–8 wk
Melanotan I	Pigmentation and photoprotection context	Implant Injection	16 mg Start 250 mcg	Every 2 mo Daily	Scheduled Consistent time	Ongoing ~4 wk
Kisspeptin-10	Reproductive hormone signaling and libido support	Injection Nasal	100–300 mcg ~0.075 mg/kg	2–3x weekly Single dose	PM or pre-event Pre-event	4–8 wk Event based
Gonadorelin	LH/FSH signaling support	Injection Nasal	100–200 mcg ~200 mcg	1–2x daily 6x daily	PM Across day	4–8 wk ~90 days
hCG	LH-receptor signaling and fertility context	Injection	500–1,000 IU	3x weekly	Lab-based schedule	3 wk · then reduce