: A high-quality, more accessible brand available through their website or Amazon. They offer pure, undiluted Melissa in smaller 2.5 mL or 5 mL sizes.

While specialist sites are best for purity, you can find trusted brands on major platforms: Melissa (Lemon Balm) Essential Oil FAQ | NOW Foods

These companies are well-known for their rigorous testing and transparent sourcing:

: Offers "CPTG Certified Pure Tested Grade" Melissa oil. It is a premium option, often priced higher due to its strict quality protocols.

: A direct producer that grows and distills their own Melissa in Bulgaria, which is one of the world's primary regions for high-quality lemon balm production. Where to Find it at Retailers