As a young man, he started to seek solutions for his health problems and was influenced by natural healing writers of the 20th century such as Vincent Priessnitz, Louis Kuhne, Harry Benjamin, Arnold Ehret, Dugald Semple,[4] George R. Clements, Walter Siegmeister,[5] Essie Honiball[6] and Johnny Lovewisdom.

Krok migrated to California to develop his work and writings, dedicating his life to the quest for knowledge about health, vitality and higher consciousness.

A regular marathon runner, Krok died from cancer of the leg in 2005,[7] blaming "his problem on his terrible diet in his youth and on cooked food temptations from family".

He described how not everything humans eat is used by the body, showing how accumulated wastes and toxins caused by an unnatural diet and other substances, result in illness and premature ageing.

[20] Authors who have endorsed Krok's writings in their books include John McCabe,[21] Joe Alexander,[22] Gary Null,[23] Benito De Donno[24] and David Wolfe.