TAC (Total Active Cannabinoids) measures the sum of all active compounds in cannabis—including THC, CBD, CBG, and CBN—providing a more accurate, holistic measure of potency than THC alone. It is important because it predicts the “entourage effect“, where cannabinoids work together to create a stronger, more effective experience.
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TAC vs. THC: Key Differences
- THC (Tetrahydrocannabinol): Measures only the primary psychoactive compound.
- TAC (Total Active Cannabinoids): Measures the total percentage of all active cannabinoids.
- Scope: A product with 20% THC might have a 25% TAC, indicating an additional 5% of other beneficial compounds like CBD or CBG.
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Why TAC is Important
- Accurate Potency: TAC gives a truer representation of a product’s strength than focusing on THC alone, preventing overestimation of “low THC” products that may be high in other cannabinoids.
- The Entourage Effect: TAC accounts for the synergy between various compounds, which often produces a more potent or nuanced therapeutic result than isolated compounds.
- Medical Personalization: For medical users, a higher TAC often indicates a better therapeutic value, as they can select for specific cannabinoid ratios beyond just psychoactive THC.
- Better Product Selection: It allows consumers to better predict the intensity and nature of their experience, allowing for more tailored choices.
