Tyler Wall spent his days pushing others to transform their bodies through some of the most demanding fitness challenges on YouTube. When the 38-year-old fitness coach to MrBeast died in February 2025, the toxicology findings revealed something many Americans had never heard of: mitragynine, the primary compound in the herbal supplement known as “kratom.”

Age at Death: 38 · Cause: Mitragynine Toxicity · Association: MrBeast Fitness Coach · Death Context: During Weight Loss Challenge · Obituary Donations: American Foundation for Suicide Prevention

Quick snapshot

1Confirmed facts
2What’s unclear
  • Exact circumstances of discovery at apartment
  • Suicide vs. accidental classification debate
  • Full toxicology details beyond mitragynine
3Timeline signal
  • Died ~80 days into MrBeast challenge filming
  • Death certificate filed February 18, 2025
  • News broke mid-2025 after family approval
4What happens next
  • No official MrBeast statement on safety protocols
  • Kratom regulation gap remains unaddressed
  • Public health advocates push for FDA action
Field Value
Full Name Tyler Wall
Nickname Coach Wall
Age at Death 38
Cause Mitragynine Toxicity
Known For MrBeast Fitness Trainer
Location Greenville, North Carolina
Date of Death February 18, 2025

What was Tyler Walls’ cause of death?

Tyler Wall’s death certificate lists the official cause as mitragynine toxicity, a compound found in the tropical tree Mitragyna speciosa—commonly called kratom. The classification on his death certificate ruled the manner as accidental. Wall died in his apartment in Greenville, North Carolina, approximately 80 days into filming of the MrBeast weight loss challenge.

Mitragynine binds to the same brain receptors as codeine, producing opioid-like effects that can lead to respiratory depression at high doses. Research from the University of Missouri School of Medicine indicates mitragynine has detrimental effects on the central nervous system. The FDA warns against kratom use due to risks of liver toxicity, seizures, and substance use disorder.

What to watch

The DEA found that 15 deaths involved kratom between 2014 and 2016. A Tampa Bay Times investigation documented over 580 people died from krattom-involved overdoses in Florida alone over the last decade. Concentrated products sold in American convenience stores can be up to 15 times more potent than traditional preparations.

Mitragynine toxicity details

Mitragynine is the primary psychoactive compound in Mitragyna speciosa, a tropical tree native to Southeast Asia. The compound produces sedation and euphoria at higher doses. Kratom can cause nausea, vomiting, constipation, liver damage, seizures, respiratory depression, hallucinations, psychosis, high blood pressure, and irregular heartbeat. U.S. poison control centers received over 3,400 reports about kratom use from 2014 to 2019.

Kratom connection

Kratom products often contain dangerous contaminants like heavy metals and harmful bacteria. At least one in five krattom-only deaths involved products manufactured to be far more concentrated than traditional leaf preparations. The compound 7-hydroxymitragynine (7-OH), which occurs naturally in tiny amounts in traditional krattom, can be concentrated to dangerous levels in commercial products.

Bottom line: The implication: Wall’s death highlights a regulatory gap where substances sold as herbal supplements can reach lethal potency without standardized dosing or quality controls.

What happened to Coach Tyler Wall from MrBeast?

Coach Tyler Wall served as the fitness trainer for MrBeast’s high-stakes weight loss challenge, which offered participants the chance to win $250,000 for losing 100 pounds within one year. Wall died unexpectedly mid-challenge, roughly 80 days into filming. MrBeast initially offered to cancel the video out of respect for Wall’s family, who ultimately gave permission to release the content.

Participant Pal Majd continued after Wall’s death, reportedly stating, “We’re not pulling the plug on this. I can’t let him down.” Majd completed the challenge in 178 days, winning over $400,000 in prize money. The video featuring Wall accumulated over 111 million views.

The paradox

A trainer whose job was keeping participants alive during extreme weight loss became a casualty of a substance many Americans can legally purchase in gas stations and convenience stores.

Role in challenges

Wall worked alongside MrBeast (Jimmy Donaldson) as the physical training specialist for intensive fitness content. His background as a personal trainer positioned him as the authority figure responsible for guiding participants through demanding transformation protocols. The MrBeast challenge required participants to adhere to strict diet and exercise regimens under Wall’s supervision.

Death during weight loss event

Wall’s death occurred in February 2025, roughly 80 days into the challenge filming timeline. The MrBeast team announced the news after securing permission from Wall’s family, who requested donations to the American Foundation for Suicide Prevention in lieu of flowers. Wall was 38 years old at the time of his death, born December 18, 1986, and originally from Southington, Connecticut.

What this means: The timing—dying during a fitness challenge while a trainer—underscores how substance risks can affect even those with professional fitness knowledge who should understand bodily limits.

Was Tyler Wall found dead in his apartment?

According to available reports, Wall died at his apartment in Greenville, North Carolina. The specific details of how he was discovered have not been publicly released. Social media discussions and Reddit threads have speculated about the circumstances, but official sources have not confirmed the precise sequence of events leading to the discovery.

Discovery details

Wall’s death certificate confirms the location as his apartment in Greenville, North Carolina. The toxicology findings showing mitragynine toxicity came from autopsy procedures following his death. Details about who found Wall or the exact timing of discovery remain unconfirmed in publicly available sources.

Related speculations

Online speculation has included various theories about the circumstances, with some attributing Wall’s death to pre-existing health conditions or other causes. The officially listed cause—mitragynine toxicity—provides the factual framework, though questions persist about whether Wall had prior krattom use history or if this was acute exposure. Toxicology report details beyond the mitragynine finding have not been publicly disclosed.

The catch: Without a full toxicology report or medical examiner’s detailed narrative, the public lacks complete information about whether other substances or health factors contributed to Wall’s death.

Did Coach Wall have a heart explosion?

Social media speculation that Coach Wall suffered a “heart explosion” is not supported by the evidence. His death certificate lists mitragynine toxicity as the cause—not a cardiac event. Kratom toxicity operates through the nervous system, binding to opioid receptors in the brain, rather than directly causing cardiac rupture or explosion as the rumor suggests.

The upshot

The “heart explosion” rumor likely stems from misinterpreting reports of cardiac symptoms caused by mitragynine overdose—including irregular heartbeat and high blood pressure—rather than a structural heart failure.

Debunking rumors

The viral “heart explosion” narrative appears to have originated from social media speculation rather than medical reporting. No credible source has reported cardiac structural failure as a cause. While krattom can cause cardiovascular symptoms, the mechanism is neurological receptor binding, not mechanical heart failure.

Actual cause

Mitragynine toxicity is not a cardiac condition—it’s a form of poisoning from the psychoactive compound in krattom. The DEA documented 15 krattom-related deaths between 2014 and 2016, with poison control centers receiving 3,400+ reports from 2014 to 2019. Wall’s death was classified as accidental on his death certificate, making it consistent with unintentional overdose rather than intentional self-harm despite the suicide prevention donation request.

The pattern: Health misinformation spreads rapidly on social platforms, transforming nuanced medical findings into dramatic shorthand like “heart explosion” that bears little resemblance to documented reality.

How old was Coach Wall when he died?

Tyler Wall was 38 years old at the time of his death, occurring February 18, 2025. According to the MrBeast Wiki maintained on Fandom, Wall was born on December 18, 1986, placing his birth in Southington, Connecticut. His fitness career included work as a personal trainer before joining the MrBeast team as the coach for high-profile fitness content.

Age confirmation

Multiple sources confirm Wall’s age of 38. Medical Toxic, a publication specializing in toxicology reporting, listed his age at death as 38. The MrBeast Wiki’s biographical information supports this timeframe, showing Wall was born in 1986 and died in 2025 at age 38.

Background

Wall’s background as a fitness professional positioned him to understand physical limits and health risks. His role required monitoring participant health during extreme dietary restrictions and exercise demands. Whether Wall’s professional fitness knowledge translated to awareness of krattom risks remains an open question—the supplement is often marketed as a “safe” herbal product despite FDA warnings.

Why this matters: Wall’s death at 38—relatively young by any measure—illustrates how substance risks do not discriminate based on fitness level or professional health knowledge. His familiarity with physical training did not protect him from mitragynine’s effects.

Timeline of events

Three data points trace the arc of this incident, revealing how Wall’s death connects to broader patterns of krattom-related harm:

Date or Period Event
December 18, 1986 Tyler Wall born in Southington, Connecticut
2014–2019 U.S. poison control centers log 3,400+ krattom-related reports (Medical Toxic)
February 18, 2025 Wall dies from mitragynine toxicity in Greenville, North Carolina (Medical Toxic)
~80 days before MrBeast weight loss challenge filming begins, Wall serves as coach
Post-death Obituary requests American Foundation for Suicide Prevention donations

The broader context: 15 deaths involved krattom from 2014–2016; over 580 occurred in Florida alone over the last decade (Still Detox). Wall’s death fits a documented national pattern of mitragynine fatalities.

Confirmed facts vs. rumors

Confirmed

  • Mitragynine toxicity as cause of death (death certificate)
  • Age 38 at time of death
  • MrBeast fitness coach association
  • Accidental classification on official documents
  • Died February 18, 2025
  • $250,000 MrBeast challenge prize
  • Pal Majd completed challenge, won $400,000+

Unclear or speculative

  • Exact discovery circumstances
  • Whether Wall had prior krattom use history
  • Full toxicology report details
  • Suicide vs. accidental debate (death ruled accidental)
  • Specific krattom brand or product consumed
  • MrBeast’s post-incident safety protocols

What sources say

“We’re not pulling the plug on this. I can’t let him down.” Pal Majd reportedly stated after learning of Wall’s death, continuing the challenge despite losing his coach. (Medical Toxic)

The FDA warns against krattom use due to risks of liver toxicity, seizures, and substance use disorder. (Medical Toxic)

A Tampa Bay Times investigation revealed more than 580 people died from krattom-involved overdoses in Florida over the last decade. (Still Detox)

Summary

Coach Tyler Wall’s death from mitragynine toxicity exposes the deadly potential of a substance legally sold across the United States. At 38, Wall was a professional fitness coach working on one of YouTube’s highest-profile health challenges—a man who should have understood physical limits and substance risks better than most. His death certificate tells a simple story: mitragynine poisoning, ruled accidental.

For American consumers, the lesson is clear: a substance sold alongside energy drinks and protein bars carries risks serious enough to kill. Wall had the fitness knowledge to train participants through grueling transformations, yet mitragynine proved fatal. The regulatory gap that allows concentrated krattom products on store shelves without standardized dosing claims lives on.

Related reading: Kelly Cates Weight Loss · Simon Cowell Son Illness

Additional sources

mrbeast.fandom.com, stilldetox.com

Frequently asked questions

What is mitragynine?

Mitragynine is the primary psychoactive compound in Mitragyna speciosa (kratom), a tropical tree native to Southeast Asia. It binds to the same brain receptors as codeine, producing opioid-like effects including sedation and euphoria. The compound can cause respiratory depression, liver damage, seizures, and death at high doses.

Was Coach Wall’s death a suicide?

No. Wall’s death was officially classified as accidental on his death certificate. While the obituary requested donations to the American Foundation for Suicide Prevention, this appears to reflect the family’s charitable preferences rather than any indication that Wall’s death was intentional.

What is krattom and its risks?

Krattom (Mitragyna speciosa) is a tropical tree whose leaves contain mitragynine and 7-hydroxymitragynine. Sold as tea, capsules, or extracts, it’s marketed for pain relief, energy, or mood enhancement. Risks include nausea, liver damage, seizures, respiratory depression, hallucinations, psychosis, and death. Concentrated products can be up to 15 times more potent than traditional preparations.

Who was Coach Tyler Wall?

Tyler Wall (December 18, 1986 – February 18, 2025) was a 38-year-old fitness trainer who served as MrBeast’s coach for high-profile fitness challenges. Originally from Southington, Connecticut, Wall worked with YouTube creator Jimmy Donaldson on weight loss and transformation content.

When did Tyler Wall die?

Tyler Wall died on February 18, 2025, in Greenville, North Carolina, approximately 80 days into filming of the MrBeast weight loss challenge. The news became public after his family granted permission to release the video content.

What happened in MrBeast’s challenge?

MrBeast’s weight loss challenge offered participants $250,000 for losing 100 pounds within one year. Wall served as the fitness coach. After Wall’s death, participant Pal Majd continued and completed the challenge in 178 days, winning over $400,000. The video featuring Wall accumulated over 111 million views.

Are there official statements on the death?

MrBeast initially offered to cancel the video out of respect for Wall’s family, who subsequently gave permission to release it. No detailed public statement from MrBeast about updated safety protocols for future challenge content has been confirmed.

How many krattom deaths occur annually?

Documented figures show 15 krattom-related deaths reported by the DEA between 2014 and 2016. U.S. poison control centers received over 3,400 krattom-related reports from 2014–2019. A Tampa Bay Times investigation documented over 580 krattom-involved deaths in Florida alone over the last decade, with 46 attributed to krattom alone.