Lyfetrition L-Ergothioneine Liquid Supplement 540 mg, 4 Oz Liquid

What the brand says

Sold as “Lyfetrition L-Ergothioneine Liquid Supplement 540 mg, 4 Oz Liquid,220 Servings,Made in USA,Quick Absorption,Quality Potent Ingredients,Third-Party Tested,Non-GMO,GMP Certified,Cruelty-Free Products”