He left a final message for his followers, a memo that still appears on his social media: "Usted no está roto. Usted no está condenado. Usted solo está atrapado. Y la llave para salir de la jaula metabólica está en su cocina, no en la farmacia."

He was a major proponent of the theory that overgrowth of this fungus in the gut prevents weight loss. Major Works & Publications

On July 25, 2019, the health community was shocked by the news that El Doctor Frank Suarez had died at the age of 53. The official cause was a hemorrhagic stroke.

However, a closer look at his biography reveals a different story. Before his health turnaround in his 30s, Dr. Suarez had been severely metabolically damaged. He had undergone gastric bypass surgery (which often leads to long-term malabsorption and nutrient deficiencies) and had severe sleep apnea. Additionally, having a stroke is different from having a heart attack; strokes can be linked to stress, clotting disorders, or even undiagnosed aneurysms, which are not always reversible by diet.

One of his most famous "crusades" was the importance of drinking enough water (calculated by body weight) to keep the metabolism active.

Given that he taught natural health and reversal of metabolic syndrome, his relatively young death sparked intense controversy and conspiracy theories within his own following. Some claimed he was poisoned or silenced by the pharmaceutical industry because he was curing diabetes without drugs.

While not strictly a ketogenic advocate, Suárez promoted a low-carbohydrate approach, specifically advising against the consumption of refined sugars and processed carbohydrates. He explained the mechanism of insulin resistance in layman’s terms, illustrating how persistent spikes in insulin prevent the utilization of stored fat.