Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.
| Alpha Lipoic Acid (ALA) | DIM (Diindolylmethane) | |
|---|---|---|
| Category | Supplements | Supplements |
| Standard Dose | 300-600mg R-ALA daily | 100-200mg DIM daily |
| Timing | On empty stomach, 30-60 min before meals. Split doses for higher amounts. | With meals (fat enhances absorption). Consistent daily dosing for estrogen metabolism modulation. |
| Cycle Duration | ongoing or cycle 12 weeks on, 4 weeks off | ongoing or cycle 8-12 weeks on, 4 weeks off |
| Evidence Level | strong_human | moderate_human |
ALA is a dithiol compound that functions as a cofactor for mitochondrial alpha-keto acid dehydrogenases (pyruvate dehydrogenase, alpha-ketoglutarate dehydrogenase). Both ALA and its reduced form DHLA are potent antioxidants capable of regenerating other antioxidants including vitamin C, vitamin E, and glutathione. ALA activates AMPK, improving glucose uptake via GLUT4 translocation, and modulates NF-kB-mediated inflammatory signaling. It chelates redox-active metals (Fe2+, Cu2+).
300-600mg R-ALA daily
On empty stomach, 30-60 min before meals. Split doses for higher amounts.
ongoing or cycle 12 weeks on, 4 weeks off
DIM is formed from indole-3-carbinol (I3C, from cruciferous vegetables) via acid condensation in the stomach. It modulates estrogen metabolism by promoting the 2-hydroxylation pathway (producing 2-hydroxyestrone, considered 'protective' estrogen) over the 16alpha-hydroxylation pathway (producing 16alpha-hydroxyestrone, considered proliferative) and the 4-hydroxylation pathway (producing 4-hydroxyestrone, genotoxic). DIM binds the aryl hydrocarbon receptor (AhR), inducing Phase I (CYP1A1, CYP1A2) and Phase II enzymes that facilitate estrogen detoxification. It also inhibits aromatase and has anti-androgen receptor effects (competitive binding).
100-200mg DIM daily
With meals (fat enhances absorption). Consistent daily dosing for estrogen metabolism modulation.
ongoing or cycle 8-12 weeks on, 4 weeks off
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