Signal Library·Reference Tool

Peptide Shelf-Life Guide

Storage and handling windows for every compound in the Signal Library — lyophilized shelf life, reconstituted fridge windows, and handling notes.

Research use only. Storage windows below reflect general practice for lyophilized research peptides and are provided for planning context only. Stability varies by manufacturer, diluent, concentration, and sterility technique. If your product’s Certificate of Analysis or label gives a different window, follow that instead. This is not medical advice.
41Compounds Listed
5Categories
41Shown Now
2–8°CMost Common Fridge Range







BPC-157

Healing & Recovery

Lyophilized
24+ months
Reconstituted
28–45 days
Fridge
2–8°C, protect from light

TB-500

Healing & Recovery

Lyophilized
24+ months
Reconstituted
28–45 days
Fridge
2–8°C, protect from light

Thymosin Alpha-1

Healing & Recovery

Lyophilized
24+ months
Reconstituted
21–30 days
Fridge
2–8°C

DSIP

Healing & Recovery

Lyophilized
18–24 months
Reconstituted
14–21 days
Fridge
2–8°C

LL-37

Healing & Recovery

Lyophilized
12–18 months
Reconstituted
14–21 days
Fridge
2–8°C

ARA-290

Healing & Recovery

Lyophilized
12–24 months
Reconstituted
14–21 days
Fridge
2–8°C

KPV

Healing & Recovery

Lyophilized
18–24 months
Reconstituted
21–30 days
Fridge
2–8°C

IGF-LR3

Healing & Recovery

Lyophilized
12–24 months
Reconstituted
14–30 days
Fridge
2–8°C

CJC-1295 / Ipamorelin

Longevity & Cognitive

Lyophilized
18–24 months
Reconstituted
21–30 days (Ipamorelin) · 30–45 days (CJC w/DAC)
Fridge
2–8°C

Semax

Longevity & Cognitive

Lyophilized
18–24 months
Reconstituted
21–30 days
Fridge
2–8°C, protect from light

Selank

Longevity & Cognitive

Lyophilized
18–24 months
Reconstituted
21–30 days
Fridge
2–8°C, protect from light

MK-677

Longevity & Cognitive

Oral capsule/liquid form — not reconstituted. ~24 months unopened; store at room temperature, protect from moisture.

NAD+

Longevity & Cognitive

Lyophilized
12–24 months
Reconstituted
7–14 days (light- and heat-sensitive)
Fridge
2–8°C, protect from light

Methylene Blue

Longevity & Cognitive

Lyophilized
24+ months
In Solution
24+ months — unusually stable small-molecule dye
Fridge
Room temp to 2–8°C, protect from light

Ipamorelin

Longevity & Cognitive

Lyophilized
18–24 months
Reconstituted
21–30 days
Fridge
2–8°C

Cerebrolysin

Longevity & Cognitive

Supplied pre-dissolved in ampoules, not lyophilized. Follow the manufacturer’s printed expiration; refrigerate and use promptly once opened.

Dihexa

Longevity & Cognitive

Limited independently published stability data — follow the product’s Certificate of Analysis.

Glutathione

Longevity & Cognitive

Lyophilized
12–24 months
Reconstituted
7–14 days (oxidizes faster once mixed)
Fridge
2–8°C, protect from light

Kisspeptin

Longevity & Cognitive

Lyophilized
12–24 months
Reconstituted
14–21 days
Fridge
2–8°C

SS-31

Longevity & Cognitive

Lyophilized
18–24 months
Reconstituted
21–30 days
Fridge
2–8°C

Klotho

Longevity & Cognitive

Limited independently published stability data (primarily research-stage protein) — follow the product’s Certificate of Analysis.

FOXO4-DRI

Longevity & Cognitive

Lyophilized
18–24 months
Reconstituted
21–30 days
Fridge
2–8°C

Vanguard

Longevity & Cognitive

Proprietary Stack Science formulation — follow the product’s Certificate of Analysis.

Tesamorelin

Weight & Metabolic

Lyophilized
12–18 months
Reconstituted
Immediate to 7 days (product-dependent)
Fridge
2–8°C

5-Amino-1MQ

Weight & Metabolic

Oral capsule form — not reconstituted. ~24 months unopened; store at room temperature.

AOD-9604

Weight & Metabolic

Lyophilized
18–24 months
Reconstituted
21–30 days
Fridge
2–8°C

HCG

Weight & Metabolic

Lyophilized
24+ months
Reconstituted
30–60 days
Fridge
2–8°C — do not freeze once reconstituted

Mazdutide

Weight & Metabolic

Lyophilized
12–24 months
Reconstituted
14–30 days
Fridge
2–8°C

SLU-PP-332

Weight & Metabolic

Limited independently published stability data (preclinical research tool) — follow the product’s Certificate of Analysis.

MOTS-c

Weight & Metabolic

Lyophilized
18–24 months
Reconstituted
21–30 days
Fridge
2–8°C

FLGR-242

Weight & Metabolic

Newer research compound, limited independently published stability data — follow the product’s Certificate of Analysis.

Epitalon

Bioregulators

Lyophilized
24+ months
Reconstituted
21–30 days
Fridge
2–8°C

Cartalax

Bioregulators

18–24 months lyophilized. Reconstituted window is formulation-dependent — check the product label; 2–8°C if reconstituted.

Pinealon

Bioregulators

18–24 months lyophilized. Reconstituted window is formulation-dependent — check the product label; 2–8°C if reconstituted.

Bronchogen

Bioregulators

18–24 months lyophilized. Reconstituted window is formulation-dependent — check the product label; 2–8°C if reconstituted.

Cardiogen

Bioregulators

18–24 months lyophilized. Reconstituted window is formulation-dependent — check the product label; 2–8°C if reconstituted.

Crystagen

Bioregulators

18–24 months lyophilized. Reconstituted window is formulation-dependent — check the product label; 2–8°C if reconstituted.

Pancragen

Bioregulators

18–24 months lyophilized. Reconstituted window is formulation-dependent — check the product label; 2–8°C if reconstituted.

Prostamax

Bioregulators

18–24 months lyophilized. Reconstituted window is formulation-dependent — check the product label; 2–8°C if reconstituted.

GHK-Cu

Aesthetics & Skin

Lyophilized
12–24 months
Reconstituted
14–30 days
Fridge
2–8°C

Melanotan I/II

Aesthetics & Skin

Lyophilized
18–24 months
Reconstituted
14–30 days
Fridge
2–8°C

These are general reference windows, not manufacturer expiration dates. For the general lab technique behind reconstitution and why bacteriostatic water matters, see Reconstitution Basics, and for elimination half-life data see the Half-Life Guide.

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