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Episode 139 The Endocannabinoid System

The Two Endocannabinoids: 2-AG and Anandamide

Your body makes two main endocannabinoids with different roles—one is the workhorse, the other is the stress responder.

By Justin Hartfield 4:20 The Endocannabinoid System Updated December 22, 2025
The Two Endocannabinoids: 2-AG and Anandamide
Justin Hartfield

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Justin Hartfield

Founder of Weedmaps, student of Dr. Bob Melamede, and explorer of far-from-equilibrium systems. Connecting thermodynamics, consciousness, and human potential.

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Your body makes its own cannabis-like compounds. Two of them are particularly important: 2-AG and anandamide. Understanding the difference between them helps you understand how the endocannabinoid system actually works.

2-AG: The Workhorse

2-arachidonoylglycerol (2-AG) is the most abundant endocannabinoid in your body. It's the workhorse of the system, constantly being produced and broken down to regulate moment-to-moment neural activity.

2-AG is primarily involved in retrograde transmission—the feedback mechanism that prevents neurons from over-firing. When a neuron is getting too much stimulation, it releases 2-AG to tell the sending neuron to back off.

Think of 2-AG as your brain's real-time volume control.

Anandamide: The Bliss Molecule

Anandamide gets its name from the Sanskrit word "ananda," meaning bliss. It was the first endocannabinoid discovered, and it's associated with mood, motivation, and the runner's high.

Unlike 2-AG, anandamide is produced on demand in response to specific stimuli. It's more like a special messenger than a constant regulator. Exercise, chocolate, and social bonding all boost anandamide levels.

Infographic
2-AG is the workhorse, anandamide is the fine-tuner. Two molecules working together to maintain the infinite balance of your endocannabinoid system.

Dr. Bob Melamede often pointed out that anandamide is what makes us feel good when we do things that are good for us. It's evolution's reward system, encouraging behaviors that promote survival and adaptation.

Different Roles, Same System

Both endocannabinoids work through the same receptors (CB1 and CB2), but they have different affinities and different roles. 2-AG is a full agonist at CB1 receptors; anandamide is a partial agonist. This means they produce different effects even though they're working through the same system.

"2-AG keeps you stable. Anandamide makes you happy. You need both."

The Forward-Looking approach to health means supporting both aspects of the endocannabinoid system. Exercise boosts both. Omega-3 fatty acids provide the building blocks for both. Chronic stress depletes both.

Take care of your endocannabinoids. They're taking care of you.

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