PeptideSmart
← All compounds
nootropic31 listings

Methylene Blue

Phenothiazine Compound

Mitochondrial enhancer. Cognitive research.

Mitochondrial researchCognitive research
Best Price
at LA Peptides
$21.43
$4.29/mg · 5g
Buy at LA Peptides
/ research index

The research base

Research Maturity
★★★★
4/5 — Volume of studies
Evidence Strength
★★★★
4/5 — Quality of evidence

Strong research base on mitochondrial and cognitive effects.

/ mechanism of action

How it works

Alternative electron carrier in mitochondrial ETC.

/ research dosing

Common research protocols

Range
0.5-4 mg/kg/day (research dose)
Frequency
1-2x daily
Route
Oral (USP pharmaceutical grade only)
Cycle
PRN or daily
Research notes

USP/pharmaceutical grade essential — aquarium grade contains contaminants. Doses 0.5-1mg/kg low end, up to 4mg/kg in some cognitive research. AVOID with SSRIs/MAOIs (serotonin syndrome risk).

FOR RESEARCH USE ONLY. Doses listed are compiled from published research literature, FDA-approved drug labels, and well-documented research community practice. Not medical advice.
/ standalone use

As a solo compound

Standard standalone use.

/ side effects

What to know

Causes blue urine. Generally well-tolerated.

/ timeline

Realistic expectations

Acute and chronic effects

/ recommendation

Where to buy Methylene Blue

🏆Our pick for Methylene Blue
Valor Peptides
5g · USA · Card / Crypto
  • Third-party tested (Janoshik)
  • COAs provided — Comprehensive
  • Highest verification tier in stock
  • 4.8★ community rating
Also solid
Modern Research Peptides
5g · $10.24/mg
$51.18
Buy →
Peptidology
5g · $10.20/mg
$50.98
Buy →
AMP Peptides
5g · $5.73/mg
$28.64
Buy →
/ all listings

Full index, price per mg

LA PeptidesBEST
4.6
Size
5g
Price
$21.43
$/mg
$4.29
Buy at LA Peptides →
Atomik Labz
4.7
Size
5g
Price
$23.80
$/mg
$4.76
Buy at Atomik Labz →
Nano Blue Labs
4.6
Size
5g
Price
$25.26
$/mg
$5.05
Buy at Nano Blue Labs →
Peppy
4.7
Size
5g
Price
$28.49
$/mg
$5.70
Buy at Peppy →
AMP Peptides
4.8
Size
5g
Price
$28.64
$/mg
$5.73
Buy at AMP Peptides →
RefillPen
4.5
Size
5g
Price
$29.74
$/mg
$5.95
Buy at RefillPen →
Modified Aminos
4.5
Size
5g
Price
$30.63
$/mg
$6.13
Buy at Modified Aminos →
AMC Essentials
4.6
Size
5g
Price
$31.88
$/mg
$6.38
Out of stock
AlgoRX
4.7
Size
5g
Price
$33.94
$/mg
$6.79
Out of stock
Glow Aminos
4.5
Size
5g
Price
$38.55
$/mg
$7.71
Buy at Glow Aminos →
Solution Peptides
4.6
Size
5g
Price
$38.76
$/mg
$7.75
Buy at Solution Peptides →
Peptira
4.6
Size
5g
Price
$41.90
$/mg
$8.38
Buy at Peptira →
One Day Compounds
4.6
Size
5g
Price
$41.95
$/mg
$8.39
Buy at One Day Compounds →
Solyn Peptides
4.5
Size
5g
Price
$42.18
$/mg
$8.44
Buy at Solyn Peptides →
FITSKNS
4.6
Size
5g
Price
$42.25
$/mg
$8.45
Buy at FITSKNS →
Good Labs
4.7
Size
5g
Price
$43.11
$/mg
$8.62
Buy at Good Labs →
Glacier Aminos
4.6
Size
5g
Price
$44.98
$/mg
$9.00
Buy at Glacier Aminos →
Southern Aminos
4.6
Size
5g
Price
$45.14
$/mg
$9.03
Buy at Southern Aminos →
Biocase Innovations
4.6
Size
5g
Price
$46.07
$/mg
$9.21
Buy at Biocase Innovations →
Double R Labs
4.7
Size
5g
Price
$46.25
$/mg
$9.25
Out of stock
Valor Peptides
4.8
Size
5g
Price
$46.38
$/mg
$9.28
Buy at Valor Peptides →
Flawless Compounds
4.7
Size
5g
Price
$46.53
$/mg
$9.31
Buy at Flawless Compounds →
Renova Peptides
4.6
Size
5g
Price
$50.42
$/mg
$10.08
Buy at Renova Peptides →
Peptidology
4.8
Size
5g
Price
$50.98
$/mg
$10.20
Buy at Peptidology →
Modern Research Peptides
4.8
Size
5g
Price
$51.18
$/mg
$10.24
Buy at Modern Research Peptides →
MDPackUSA
4.5
Size
5g
Price
$51.22
$/mg
$10.24
Buy at MDPackUSA →
Lab Sourced
4.7
Size
5g
Price
$51.24
$/mg
$10.25
Buy at Lab Sourced →
Omegamino
4.5
Size
5g
Price
$52.22
$/mg
$10.44
Buy at Omegamino →
Felix Chemical Supply
4.5
Size
5g
Price
$53.63
$/mg
$10.73
Buy at Felix Chemical Supply →
Throne
4.7
Size
5g
Price
$54.38
$/mg
$10.88
Buy at Throne →
Molecular Solutions
4.7
Size
5g
Price
$54.78
$/mg
$10.96
Buy at Molecular Solutions →
FOR RESEARCH USE ONLY. Methylene Blue is intended for laboratory research and not for human consumption.