Heritage Labs Methylene Blue 3% Liquid Supplement Designed for individuals who value simplicity and quality, this 3% methylene blue solution delivers a high-purity formula in an easy-to-use liquid format. Each batch is lab-tested for consistency and quality, ensuring a dependable supplement you can incorporate into your daily routine. Formulated without alcohol or formaldehyde, this clean solution supports a more straightforward approach to supplementation. Methylene blue is widely recognized for its role in supporting cellular energy production and cognitive function, making it a popular addition to wellness routines focused on clarity and vitality. ✔ 3% high-purity solution ✔ Lab-tested for consistency ✔ Alcohol-free & formaldehyde-free ✔ Precision dropper included