Methylene blue at 10mg per serving, in a 2 fl oz dropper bottle. Check interactions before useNon-GMOAlcohol-freeFragrance-freeMade in the USA A compound with a long history in medicine, taken by some at low doses for cognitive and cellular-energy support. The research base in that context is early. Supplement Facts 1 ml (20 drops) · 2 fl oz / 60 ml Methylene Blue Powder 10 mg Other ingredients: water, potassium sorbate. How to take it Shake well before every use 1 ml (20 drops) once daily, ideally in the morning Straight from the dropper or into a glass of water Good to know It stains. Teeth, tongue, worktops, grout, fabric. Diluting in water reduces tooth staining; a straw helps more. Wipe spills immediately — dried methylene blue is very hard to remove. It will turn your urine blue-green. Expected and harmless. Do not use alongside SSRIs, SNRIs, MAOIs or other serotonergic medication without consulting your doctor — there is a recognised interaction risk. Not suitable with G6PD deficiency. Adults only. Not for use if pregnant or nursing. .nm-pdp{max-width:700px;font-size:15px;line-height:1.6;color:#3B3652}.nm-pdp .lede{font-size:17.5px;line-height:1.45;color:#200972;font-weight:500;margin:0 0 14px}.nm-pdp .badges{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 20px}.nm-pdp .badges span{font-size:11px;font-weight:600;letter-spacing:.04em;color:#200972;background:#F1EEF9;border:1px solid #E2DDF0;border-radius:30px;padding:5px 12px}.nm-pdp .badges span.alert{color:#7A2119;background:#FFF3F1;border-color:#F3D3CE}.nm-pdp h3{font-size:18px;color:#200972;margin:24px 0 7px}.nm-pdp ul{padding-left:19px;margin:7px 0}.nm-pdp li{margin-bottom:4px}.nm-pdp .facts{background:#F7F5FB;border:1px solid #E2DDF0;border-radius:12px;padding:16px 18px;margin:20px 0}.nm-pdp .facts__h{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#7c6db2;margin-bottom:3px}.nm-pdp .facts__meta{font-size:12.5px;color:#6E6A85;margin-bottom:10px}.nm-pdp .facts table{width:100%;border-collapse:collapse;margin-bottom:10px}.nm-pdp .facts td{padding:7px 0;border-bottom:1px solid #E2DDF0;font-size:14px}.nm-pdp .facts td:last-child{text-align:right;font-weight:700;color:#200972;white-space:nowrap}.nm-pdp .facts__other{font-size:12.5px;color:#6E6A85;margin:0}.nm-pdp .warn{font-size:12.5px;color:#6E6A85;border-top:1px solid #E2DDF0;padding-top:12px;margin-top:22px;line-height:1.55}@media(max-width:749px){.nm-pdp{font-size:15.5px}.nm-pdp .lede{font-size:17px}.nm-pdp .facts{padding:14px 15px}}