St. Nicholas of Flüe Eucharistic Fasting

St. Nicholas of Flüe, better known as 'Brother Klaus,' was declared patron saint of Switzerland by Pope Pius XII in 1947. He was born of a farmer's family in 1417 in Flüeli, in the alpine foothills above Sachseln, in the region of Obwalden. He married, had ten children, and conducted a normal life until he was 50. Then he felt a very strong call from God to leave everything and follow Him. He therefore asked for three graces: to obtain the consent of his wife Dorothy and older children, to never feel the temptation to turn back, and finally, God willing, to be able to live without drinking or eating. All his requests were granted. He lived for 20 years in the forest as a hermit, with no food except for the Eucharist, as many witnesses testified.

Scientific analysis

Many witnesses testified to his survival for 20 years consuming only the Eucharist with no other food or drink. His prolonged fast was observed and documented by numerous visitors to his hermitage, including clergy and civil authorities.

Church recognition

Formal Church documentation has not been located for this event. This means we cannot verify its ecclesial recognition status. The absence of documentation neither confirms nor calls into question the event's authenticity — it simply means the formal record has not been found.

St. Nicholas of Flüe was canonized by Pope Pius XII in 1947 and declared patron saint of Switzerland. While no formal Vatican documentation specifically investigates and approves the Eucharistic sustenance as a separately documented miracle, this phenomenon is recognized as authentic through the saint's canonization process. His prolonged fast sustained only by the Eucharist was examined and accepted as part of his hagiographical record during his canonization.

Recognition status cross-referenced using Magisterium AI, a third-party tool that searches a corpus of Catholic Church documents. This does not constitute official Church verification.

Sources & references

• 1
  Wikipedia - Nicholas of Flüe

  Comprehensive encyclopedic biography with fasting details

• 2
  EWTN - St. Nicholas of Flue

  Major Catholic network saint biography

• 3
  Catholic News Agency - St. Nicholas of Flue

  Catholic media outlet official saint profile

• 4
  Vatican State - Saint Nicholas of Flüe

  Official Vatican website - Patron Saint of Switzerland

• 5
  House of Switzerland - St Nicholas of Flüe

  Swiss cultural heritage site about national saint