These recipes appeared in The Ladies Best Companion; Or, a Golden Treasure for the Fair Sex (1800).
There are now many different forms of rickets and therefore various treatments which can include diet, particularly an emphasis on vitamin D, sunlight, and surgery for severe cases.
By 1857, rickets was widespread in Britain. John Snow suggested it was caused by the adulteration of bakers bread with alum. It is more likely it was caused by vitamin D deficiency.