For Steiner, the cosmic life-substance made by ants, bees and wasps, present in every plant and in the human body, where its lack invites gout and rheumatism.
Formic Acid in Anthroposophy is the cosmic life-substance that Rudolf Steiner, in the 1923 lectures Bees (GA 351), given to workmen at the Goetheanum in Dornach, described as secreted by ants, wasps and bees and present in every tree, leaf and the human body. Steiner taught that the astral body, and outwardly the insect kingdom, perpetually transform the plant world's oxalic acid into formic acid. This acid carries soul and spirit into the organism, rising with the breath toward the head, and the same substance spread through the cosmos renews the earth each year. Where the human body produces too little of it, the organism tilts toward gout and rheumatism, the uric-acid disorders. The ants, bees and wasps act as nature's physicians, returning this acid to decaying and living matter. Weleda's Formica preparations continue the insight in anthroposophic medicine today.
Formic acid is, in Rudolf Steiner's account, far more than the sour fluid an ant injects when it bites. It is a life-substance the insect kingdom prepares from the oxalic acid of plants, breathed in by every creature, woven through the human body, and spread across the cosmos as the carrier of soul, spirit and the earth's yearly renewal.
In Steiner's Own Words
On the earth the plants are everywhere, and everywhere the innumerable hosts of insects hover above them. Below is the oxalic acid; the insects flutter towards it, and from their biting into the plants formic acid arises and fills the air. Thus we perpetually inhale this formic acid out of the air. What the wasps have is a poison similar to formic acid, but somewhat different; what the bees have in the poison of their sting, though actually it pervades their whole body, is likewise a transformed, a sublimated formic acid.
What it Means Today
Steiner's most direct heir on this question is anthroposophic medicine, the clinical stream he founded with the physician Ita Wegman in 1921. The remedy that carries the GA 351 teaching forward is Weleda's Arnica comp. / Formica, an ointment for the subacute and chronic stages of rheumatic and degenerative disorders of the musculoskeletal system. Its potentized substance is Formica ex animale, prepared from the red wood ant, Formica rufa, the very insect Steiner names. The logic is exactly his: where the organism cannot work its oxalic acid up into living formic acid, the joints stiffen into gout and rheumatism, the uric-acid conditions, and the answer is to reintroduce the ant's substance from outside.
This is not a quaint coincidence. The Swedish folk practice of laying gout-stiffened limbs over an anthill, and the long European use of ant-derived preparations for rheumatic pain, sit behind both the homeopathic Formica rufa and the anthroposophic Formica remedy. Thalira synthesis: read against this lineage, Steiner's lectures to the Goetheanum workmen are less a flight of mysticism than an attempt to give a spiritual-scientific account of why the ant heals the joint, naming the bee, the wasp and the ant as physicians who keep the same life-substance circulating through forest floor, human breath and the soul itself.
Where to Read More