3 forms with distinct profile · canon KI for standard dose · natural kelp alternative · I₂ molecular only under doctor.
Standard RDA legal form
Best for
Ideal use: RDA maintenance, pregnancy, lactation, subclinical hypothyroidism.
Advantages
Form used in canon RCTs (Pearce, Bath, Zimmermann). Precise dose. Economical. Excellent digestive tolerance. Used in iodized salt (KIO₃ similar).
Disadvantages
No additional molecular I₂ · not useful for breast indications.
Seaweed · natural matrix form
Best for
Ideal use (caution): natural supplementation if verifiable COA · NOT to replicate exact RCT dose.
Advantages
Provides natural iodine + trace minerals (Fe, Mn, Mg). Natural matrix · 'whole food' form. Economical.
Disadvantages
Iodine concentration VERY variable per lot/region (5-1,000 mcg/g) · impossible to dose precisely. Some lots have As/Cd contamination. Verify COA.
5% I₂ + 10% KI in aqueous solution
Best for
Ideal use (limited): confirmed fibrocystic mastopathy under specialized doctor.
Advantages
Unique molecular I₂ available for mastopathy (Ghent 2024). Historical clinical tradition (Abraham, Brownstein).
Disadvantages
Therapeutic dose 6 mg = 5x RDA: Wolff-Chaikoff + Hashimoto trigger risk if poorly monitored. Only under functional doctor/gynecology.
Ideal use: RDA maintenance, pregnancy, lactation, subclinical hypothyroidism.
Ideal use (caution): natural supplementation if verifiable COA · NOT to replicate exact RCT dose.
Ideal use (limited): confirmed fibrocystic mastopathy under specialized doctor.
3 forms with distinct profile · canon KI for standard dose · natural kelp alternative · I₂ molecular only under doctor.