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Current Offers · 2026

Promotions & Discounts

Exclusive savings on selected St John's Laboratory products.

Active Promotions

Current Offers

NB10

10% OFF All Nanobodies

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

Browse Nanobodies

Epitope Tag Nanobodies Fluorescent Protein Nanobodies Anti-VHH Nanobodies

ELISA20

20% OFF All ELISA Kits

Sandwich and competitive kits spanning bone metabolism to drug transport for reliable, cost-effective detection. Use code ELISA20 at checkout.

Shop ELISA Kits

Sandwich & Competitive ELISA Antibody Pairs CLIA Kits

BUYMAB50

Monoclonal Antibodies: Buy 2, Get 3rd 50% Off

Highly specific, batch-consistent monoclonal clones validated by researchers in published literature. Use code BUYMAB50 at checkout.

Shop Monoclonals

Recombinant Antibodies Primary Monoclonal Antibodies Secondary Monoclonal Antibodies IHC Guaranteed Antibodies

Terms & Conditions — NB10

10% OFF All Nanobodies, Code: NB10

10% discount applies to off-the-shelf nanobody products purchased at stjohnslabs.com using code NB10 at checkout.
Not valid on custom nanobody formats or custom orders.
One use per customer.
Cannot be combined with other offers, discounts, or existing pricing agreements.
Available via the St John's Laboratory website only, not redeemable via purchase order.
For research use only (RUO).
St John's Laboratory reserves the right to verify eligibility and withdraw this offer at its discretion.

Terms & Conditions — ELISA20

20% OFF All ELISA Kits, Code: ELISA20

20% discount applies to all ELISA kits purchased at stjohnslabs.com using code ELISA20 at checkout.
One use per customer.
Cannot be combined with other offers, discounts, or existing pricing agreements.
Available via the St John's Laboratory website only, not redeemable via purchase order.
For research use only (RUO).
St John's Laboratory reserves the right to verify eligibility and withdraw this offer at its discretion.

Terms & Conditions — BUYMAB50

Buy 2, Get 3rd 50% Off, Code: BUYMAB50

Applies to off-the-shelf monoclonal antibody products purchased at stjohnslabs.com using code BUYMAB50 at checkout.
Stock up on three, and the lowest priced item in your basket is automatically knocked down to half price, no extra steps needed.
Not valid on custom antibody development or custom orders.
One use per customer.
Cannot be combined with other offers, discounts, or existing pricing agreements.
Available via the St John's Laboratory website only, not redeemable via purchase order.
For research use only (RUO).
St John's Laboratory reserves the right to verify eligibility and withdraw this offer at its discretion.

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