Current Offers  ·  2026

Promotions & Discounts

Exclusive savings on selected St John's Laboratory products.

Active Promotions
Current Offers
NB10
1 May to 31 July 2026

10% OFF All Nanobodies

Single Domain Antibodies  ·  VHH  ·  Off-the-shelf only

Compact, high-affinity tools for assay development, drug discovery and multiplexed workflows. Use code NB10 at checkout.

Featured Products
Oncology
Anti-EGFR/ERBB1/HER1 Nanobody [SAA1213]
AppELISA, FC, SPR
ReactHuman
HostAlpaca VHH
Cytoskeleton
Anti-VIM/Vimentin Nanobody [SAA1226]
AppELISA, IF, SPR, WB
ReactHuman
HostAlpaca VHH
Tumour Suppressor
Anti-TP53/p53 Nanobody [SAA1165]
AppELISA, IP
ReactHuman
HostAlpaca VHH
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ELISA20
1 May to 31 May 2026

20% OFF All ELISA Kits

Sandwich & Competitive  ·  Human, Mouse, Rat & more

Kits spanning bone metabolism to drug transport for reliable, cost-effective detection. Use code ELISA20 at checkout.

Featured Products
Bone Metabolism
Human P1NP Sandwich ELISA Kit
Sens9.38 pg/mL
Time3.5 h
SampleSerum, plasma
Neurobiology
ST/5-HT (Serotonin) Competitive ELISA Kit
Sens9.38 ng/mL
Time2.5 h
SampleSerum, plasma
Drug Transport
Human ABCC4 Sandwich ELISA Kit RTU
Sens9.38 pg/mL
Time4 h
SampleCell lysates
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