Bluesun Methylene Blue 1% drops with dosage reference chart showing mg per drop measurements for 1% solution

Methylene Blue Dosage Guide: How Much Should You Take?

September 13, 2026

Methylene Blue is a potent compound where getting the dose right matters. Too little may have no effect; too much can cause unwanted side effects. This guide walks you through everything you need to know about dosing Methylene Blue safely and effectively.

What Is a Standard Methylene Blue Dose?

Most research on Methylene Blue as a cognitive and mitochondrial supplement uses a dosage range of 0.5 to 4 mg per kg of body weight. For most adults, this translates to approximately 35–280 mg per day, though the lower end of this range (0.5–1 mg/kg) is the most commonly recommended starting point for general wellness use.

With Bluesun Methylene Blue Drops 1%, the concentration is 10 mg per ml. This makes dosing straightforward:

0.5 mg/kg for a 70kg (154 lb) person = 35mg = 3.5 ml
1 mg/kg for a 70kg person = 70mg = 7 ml

How to Measure Your Dose

Use the dropper included with your bottle. Each full dropper typically delivers approximately 1 ml (10 mg). For precise dosing, a small oral syringe is even more accurate. Always dilute your dose in a glass of water or juice — never take it undiluted.

When to Take Methylene Blue

Methylene Blue is best taken in the morning or early afternoon. Because it supports mitochondrial energy production and may have mild stimulant-like properties, taking it late in the day could interfere with sleep for some individuals.

What to Expect

Blue mouth and urine — completely normal and temporary. This is just the compound passing through your system.
Subtle energy and clarity — effects are generally mild at low doses and may build over consistent use.
No immediate dramatic effect — this is not a stimulant. Think of it as mitochondrial support that compounds over time.

Who Should NOT Take Methylene Blue

Methylene Blue has known interactions with several medications:

SSRIs and SNRIs (antidepressants) — can cause serotonin syndrome, a potentially serious condition
MAOIs
Certain antimalarials
Individuals with G6PD deficiency should avoid Methylene Blue entirely

Always consult your healthcare provider before starting Methylene Blue, especially if you take any medications.

Why Pharmaceutical Grade Matters for Dosing

Dosing accuracy depends entirely on product purity. Industrial-grade Methylene Blue (commonly sold as a fish tank treatment) contains impurities and should never be consumed. Bluesun Methylene Blue is USP pharmaceutical grade and independently third-party tested, so you can trust that 10 mg/ml is exactly what you're getting.

Start Low, Go Slow

If you're new to Methylene Blue, start at the lowest effective dose (around 0.5 mg/kg) for the first week. Observe how your body responds before increasing. There is no benefit to jumping straight to high doses, and doing so increases the risk of side effects.

Have questions? Visit our FAQ page or contact us directly.