Snapshot · The Tucker Carlson Show
The original 7-Up formula, launched in 1929, contained exactly 1 milligram of lithium per glass; the '7' refers to lithium's atomic weight and 'Up' to mood elevation.
Where this was said
At 46:20 · chapter starts 42:38
The episode's most conspiratorial chapter opens with a history lesson: lithium had been sold as a supplement since the 19th century, and the original 7-Up — launched circa 1929 — contained exactly 1 milligram of lithium per glass, with '7' denoting lithium's atomic weight. In spring 1949, three back-to-back JAMA papers reported deaths from patients given lithium chloride as a salt substitute for heart patients on sodium-restricted diets. The patients received gram-level doses — a thousand times the safe amount. Nehls argues, based on his reading of the original papers, that these were deliberately conducted clinical experiments to establish a toxicity narrative, not accidental poisonings as Time magazine reported. The FDA immediately banned lithium supplements, forcing 7-Up and Coca-Cola to reformulate. In Europe the ban persists to this day; in the US it was partially reversed by a 1994 regulatory reform. Nehls gave a speech at the European Parliament in June 2025 calling for the ban's repeal, arguing that 90% of chronic diseases are rooted in chronic inflammation for which lithium is the natural antidote.
In 1949, the FDA banned lithium supplements immediately after three JAMA papers reported deaths from gram-level doses used as a salt substitute. Nehls argues this was orchestrated — patients were deliberately given toxic overdoses to create a scandal, clearing the path for pharmaceutical lithium drugs. The same year, 7-Up was forced to remove its 1 mg lithium from its formula.
In 1949, the FDA prohibited lithium as a dietary supplement after three JAMA-published cases of toxicity from gram-level doses, clearing the market for pharmaceutical lithium drugs.
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