Skip to content

30-Day Money-Back Guarantee • Free Shipping in the Contiguous U.S.

  • Shop
  • Products
    • Methylene Blue
    • Liquid Supplements
    • Lab Solvents & Supplies
  • Our Standards
  • About
  • FAQ
  • Blog
  • Contact
  • Affiliates
  • Facebook
  • Instagram

Compass Laboratory – USP-Grade Methylene Blue, DMSO & Liquid Supplements

  • Shop
  • Products
    • Methylene Blue
    • Liquid Supplements
    • Lab Solvents & Supplies
  • Our Standards
  • About
  • FAQ
  • Blog
  • Contact
  • Affiliates
Log in Cart

Item added to your cart

View cart

USP-Grade Methylene Blue, DMSO & Liquid Supplements

New look, same trusted science. Every bottle is made in Mena, Arkansas and lot-tracked from batch to bottle.

Shop All Products
  • Compass Laboratory Methylene Blue 1% USP-grade solution, 50 mL amber glass dropper bottle

    Methylene Blue 1%

    Methylene Blue 1%

    4.93 / 5.0

    (455) 455 total reviews

    Regular price 309,87 kr
    Regular price Sale price 309,87 kr
  • Compass Laboratory Methylene Blue 1% USP-grade solution refill, 237 mL amber glass bottle

    Methylene Blue 1% Refill (237 mL)

    Methylene Blue 1% Refill (237 mL)

    4.92 / 5.0

    (80) 80 total reviews

    Regular price 1 477,47 kr
    Regular price Sale price 1 477,47 kr
  • Compass Laboratory 99.9%+ pure USP-grade DMSO (dimethyl sulfoxide)

    99.9%+ Pure DMSO (Dimethyl Sulfoxide)

    99.9%+ Pure DMSO (Dimethyl Sulfoxide)

    4.82 / 5.0

    (28) 28 total reviews

    Regular price 361,02 kr
    Regular price Sale price 361,02 kr
  • Compass Laboratory Methylene Blue 0.5% USP-grade solution, 50 mL amber glass dropper bottle

    Methylene Blue 0.5%

    Methylene Blue 0.5%

    5.0 / 5.0

    (14) 14 total reviews

    Regular price 296,64 kr
    Regular price Sale price 296,64 kr
  • Compass Laboratory ashwagandha liquid drops dietary supplement, 2 fl oz dropper bottle

    Ashwagandha Liquid Drops

    Ashwagandha Liquid Drops

    5.0 / 5.0

    (6) 6 total reviews

    Regular price 200,06 kr
    Regular price Sale price 200,06 kr
  • Compass Laboratory liquid iodine drops dietary supplement, 250 mcg per serving

    Liquid Iodine Drops

    Liquid Iodine Drops

    5.0 / 5.0

    (2) 2 total reviews

    Regular price 200,06 kr
    Regular price Sale price 200,06 kr
  • Compass Laboratory two-part water treatment kit, 2 x 50 mL bottles

    Water Purification Kit

    Water Purification Kit

    5.0 / 5.0

    (4) 4 total reviews

    Regular price 350,99 kr
    Regular price Sale price 350,99 kr
  • Compass Laboratory gymnema leaf extract liquid dietary supplement, 100 mg/mL

    Gymnema Leaf Extract 100 mg/mL

    Gymnema Leaf Extract 100 mg/mL

    Regular price 200,06 kr
    Regular price Sale price 200,06 kr
  • Compass Laboratory zinc sulfate liquid dietary supplement, 7.5 mg per 2 mL, 50 mL bottle

    Zinc Sulfate Liquid 7.5 mg/2 mL

    Zinc Sulfate Liquid 7.5 mg/2 mL

    Regular price 200,06 kr
    Regular price Sale price 200,06 kr
  • Compass Laboratory propylene glycol and vegetable glycerin 2-pack, USP grade, 500 mL bottles

    Propylene Glycol and Vegetable Glycerin 2 Pack

    Propylene Glycol and Vegetable Glycerin 2 Pack

    5.0 / 5.0

    (2) 2 total reviews

    Regular price 236,07 kr
    Regular price Sale price 236,07 kr
  • Compass Laboratory vegetable glycerin USP grade 2-pack, 500 mL bottles

    Vegetable Glycerin 2 Pack

    Vegetable Glycerin 2 Pack

    Regular price 245,49 kr
    Regular price Sale price 245,49 kr
  • Compass Laboratory propylene glycol USP grade 2-pack, 500 mL bottles

    Propylene Glycol 2 Pack

    Propylene Glycol 2 Pack

    5.0 / 5.0

    (1) 1 total reviews

    Regular price 226,34 kr
    Regular price Sale price 226,34 kr
1 / of 12

The Compass Commitment

At Compass Laboratory, your satisfaction isn’t just a promise. It’s our standard. Every formula is crafted with precision and backed by science, so you can feel confident in every drop. And with our 30-day money-back guarantee, your wellness journey with Compass Laboratory is always risk-free.

Shop NowOur Standards & COAs

Important Information

*These statements have not been evaluated by the Food and Drug Administration. Our dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Chemical and solvent products are sold for their labeled uses only. Consult your healthcare professional before use.

Join our newsletter for offers & updates

  • Facebook
  • Instagram
Payment methods
  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Satispay
  • Shop Pay
  • Visa
© 2026, Compass Laboratory Powered by Shopify
  • Refund policy
  • Privacy policy
  • Terms of service
  • Shipping policy
  • Contact information
  • Cancellation policy
  • Cookie preferences
  • Choosing a selection results in a full page refresh.
  • Opens in a new window.