Tom Brady has Rob Gronkowski on a food and alcohol diet and is even cooking him daily meals

After missing the last five games of the 2016 regular season and all of the New England Patriots' postseason run, Rob Gronkowski is focused on staying on the field in 2017.

To help his cause, he turned to the man who's defined longevity on the football field — Tom Brady.

According to Karen Guregian of the Boston Herald, Gronkowski has been working with Brady and his trainer Alex Guerrero this offseason to improve his diet and incorporate more stretching into his workouts.

Guerrero, as noted by Guregian, has been the subject of some controversy — he was investigated by the Federal Trade Commission, sued by the federal government, and banned by the FTC from selling certain products. Chris Sweeney of Boston Magazine once called him a "snake oil" salesman. Still, Gronk, like many other Patriots has bought into his practices.

Gronkowski said of his new plan: "I wanted to find a way to make me feel good all the time and not worry. Coming here has definitely put me in that right direction ... I'm getting massage therapy, I'm learning about hydration, I'm learning about nutrition. It's helping me expand my game."

Brady has even been involved, according to Guregian. Once a day, Brady cooks Gronkowski one of his favorite plant-based meals.

"Tom's my chef," Gronkowski said. "I told him I'm only eating them if you have them ready for me. And he said, 'Deal.'"

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Tom Brady and Rob Gronkowski
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Tom Brady and Rob Gronkowski
New England Patriots tight end Rob Gronkowski (R) celebrates his touchdown against the Denver Broncos with quarterback Tom Brady during the first quarter in their NFL AFC Divisional playoff game in Foxborough, Massachusetts, January 14, 2012. REUTERS/Brian Snyder (UNITED STATES - Tags: SPORT FOOTBALL)
New England Patriots' Rob Gronkowski (L) celebrates with quarterback Tom Brady after scoring a touchdown against the Miami Dolphins during the second quarter of their NFL football game in Miami, Florida September 12, 2011. REUTERS/Hans Deryk (UNITED STATES - Tags: SPORT FOOTBALL)
FOXBOROUGH, MA - JANUARY 14: Patriots TE Rob Gronkowski (#87) is met by QB Tom Brady after his 1st touchdown in the 1st quarter - New England's 2nd touchdown. The New England Patriots play the Denver Broncos in the 2012 AFC Divisional Playoff Game at Gillette Stadium in Foxborough, Mass., on Saturday, Jan. 14, 2011. (Photo by Jim Davis/The Boston Globe via Getty Images)
FOXBOROUGH, MA - NOVEMBER 24: New England Patriots tight end Rob Gronkowski celebrates his 6-yard touchdown reception with teammate Tom Brady during third quarter action against the Denver Broncos at Gillette Stadium on Sunday, Nov. 24, 2013. (Photo by Matthew J. Lee/The Boston Globe via Getty Images)
MIAMI GARDENS, FL - SEPTEMBER 7: Patriots tight end Rob Gronkowski, left, and quarterback Tom Brady are pumped following their first quarter touchdown connection. The New England Patriots visited the Miami Dolphins for a season opening regular season NFL game at Sun Life Stadium. (Photo by Jim Davis/The Boston Globe via Getty Images)
FOXBORO, MA - OCTOBER 05: Tom Brady #12 of the New England Patriots celebrates with Rob Gronkowski #87 after scoring a touchdown during the third quarter against the Cincinnati Bengals at Gillette Stadium on October 5, 2014 in Foxboro, Massachusetts. (Photo by Jared Wickerham/Getty Images)
ORCHARD PARK, NY - OCTOBER 12: Rob Gronkowski #87 of the New England Patriots talks to Tom Brady #12 during a huddle during NFL game action against the Buffalo Bills at Ralph Wilson Stadium on October 12, 2014 in Orchard Park, New York. (Photo by Tom Szczerbowski/Getty Images)
FOXBOROUGH, MA - JANUARY 18: New England Patriots quarterback Tom Brady talks to teammate Rob Gronkowski after the game was in hand against the Indianapolis Colts during late fourth quarter action during the AFC Championship Game at Gillette Stadium in Foxborough, Mass. on January 18, 2015. (Photo by Matthew J. Lee/The Boston Globe via Getty Images)
FOXBOROUGH, MA - NOVEMBER 1: The Patriots Rob Gronkowski, left, and quarterback Tom Brady celebrate together after they hooked up for a fourth quarter touchdown pass. The New England Patriots hosted the Denver Broncos in a regular season NFL game at Gillette Stadium. (Photo by Jim Davis/The Boston Globe via Getty Images)
GLENDALE, AZ - FEBRUARY 01: Rob Gronkowski #87 (L) and Tom Brady #12 of the New England Patriots celebrate while holding up the Vince Lombardi Trophy after defeating the Seattle Seahawks during Super Bowl XLIX at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. The Patriots defeated the Seahawks 28-24. (Photo by Rob Carr/Getty Images)
LOUISVILLE, KY - MAY 02: NFL players Tom Brady (L) and Rob Gronkowski attend the 141st Kentucky Derby at Churchill Downs on May 2, 2015 in Louisville, Kentucky. (Photo by Robin Marchant/Getty Images for Churchill Downs)
FOXBORO, MA - OCTOBER 25: Tom Brady #12 and Rob Gronkowski #87 of the New England Patriots react after Gronkowski scored a touchdown during the fourth quarter against the New York Jets at Gillette Stadium on October 25, 2015 in Foxboro, Massachusetts. (Photo by Jim Rogash/Getty Images)
EAST RUTHERFORD, NJ - NOVEMBER 15: Rob Gronkowski #87 and Tom Brady #12 of the New England Patriots celebrate their fourth quarter touchdown against the New York Giants at MetLife Stadium on November 15, 2015 in East Rutherford, New Jersey. (Photo by Elsa/Getty Images)
FOXBOROUGH, MA - OCTOBER 16: New England Patriots quarterback Tom Brady celebrates with Rob Gronkowski after his touchdown in the third quarter. The New England Patriots host the Cincinnati Bengals in a regular season NFL football game at Gillette Stadium in Foxborough, Mass., on Oct. 16, 2016. (Photo by Jim Davis/The Boston Globe via Getty Images)
FOXBORO, MA - JANUARY 22: Rob Gronkowski #87 of the New England Patriots hugs Tom Brady #12 after the New England Patriots defeated the Pittsburgh Steelers 36-17 to win the AFC Championship Game at Gillette Stadium on January 22, 2017 in Foxboro, Massachusetts. (Photo by Jim Rogash/Getty Images)
BOSTON - FEBRUARY 7: New England Patriots quarterback Tom Brady, left; head coach Bill Belichick, center; and Rob Gronkowski during the rally in City Hall Plaza following the Patriots Super Bowl LI Victory Parade in Boston on Feb. 7, 2017. (Photo by Stan Grossfeld/The Boston Globe via Getty Images)
BOSTON - APRIL 3: New England Patriots quarterback Tom Brady tackles teammate Rob Gronkowski after Gronkowski stole Brady's jersey at the mound for pregame ceremonies, where Brady threw out the first pitch, on Opening Day at Fenway Park in Boston on Apr. 3, 2017. (Photo by John Tlumacki/The Boston Globe via Getty Images)
FOXBOROUGH, MA - JUNE 13: New England Patriots' Rob Gronkowski, left, takes a breather at the end of a drill as he walks near quarterback Tom Brady, right, during practice at the Gillette Stadium practice field in Foxborough, MA on Jun. 13, 2017. (Photo by John Tlumacki/The Boston Globe via Getty Images)
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However, Gronkowski hasn't fully bought in. He isn't eating avocado ice cream yet, and there is reportedly a protocol if he breaks the rules and has off-limit beverages like alcohol or coffee. According to Guregian, for every drink Gronkowski consumes that's not on the diet plan, he has to have three glasses of water to make up for it. It's not a tough punishment so much as a laborious one — Gronk's Super Bowl parade performance would have resulted in a lot of glasses of water.

Gronkowski is reportedly 12 weeks into the program and says he can already feel the effects. He told reporters, "I feel looser. I feel my mobility has increased a lot. I feel way more pliable."

For as often as Gronkowski has wowed on the field, he's also had to spend time off of it dealing with injuries. If Brady and Guerrero's methods work on one of the most oft-injured stars in the league, the benefits may be hard to deny.

Related: Look back at the Patriots' historic Super Bowl comeback:

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Big moments from Super Bowl LI
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Big moments from Super Bowl LI
New England Patriots' head coach Bill Belichick (R) is interviewed by broadcaster Terry Bradshaw next to the Vince Lombardi trophy after the Patriots defeated the Atlanta Falcons to win Super Bowl LI in Houston, Texas, U.S., February 5, 2017. REUTERS/Adrees Latif
New England Patriots' quarterback Tom Brady celebrates with his children after his team defeated the Atlanta Falcons at Super Bowl LI in Houston, Texas, U.S., February 5, 2017. REUTERS/Adrees Latif
New England Patriots' quarterback Tom Brady smiles after his team defeated the Atlanta Falcons at Super Bowl LI in Houston, Texas, U.S., February 5, 2017. REUTERS/Adrees Latif
Feb 5, 2017; Houston, TX, USA; Gisele Bundchen and her daughter Vivian Brady celebrate after the game between the Atlanta Falcons and the New England Patriots during Super Bowl LI at NRG Stadium. The Patriots won 34-28. Mandatory Credit: Bob Donnan-USA TODAY Sports
Feb 5, 2017; Houston, TX, USA; Gisele B?ndchen with her husband New England Patriots quarterback Tom Brady (12) and their daughter after Super Bowl LI at NRG Stadium. Mandatory Credit: Troy Taormina-USA TODAY Sports
New England Patriots' owner Robert Kraft holds the Vince Lombardi trophy after his team defeated the Atlanta Falcons to win Super Bowl LI in Houston, Texas, U.S., February 5, 2017. REUTERS/Adrees Latif
Feb 5, 2017; Houston, TX, USA; New England Patriots head coach Bill Belichick and quarterback Tom Brady (12) celebrate after beating the Atlanta Falcons during Super Bowl LI at NRG Stadium. Mandatory Credit: Matthew Emmons-USA TODAY Sports
Feb 5, 2017; Houston, TX, USA; New England Patriots quarterback Tom Brady (12) celebrates after beating the Atlanta Falcons during Super Bowl LI at NRG Stadium. Mandatory Credit: Matthew Emmons-USA TODAY Sports
Feb 5, 2017; Houston, TX, USA; New England Patriots running back James White (28) scores the winning touchdown past Atlanta Falcons free safety Ricardo Allen (37) and Robert Alford (23) in overtime during Super Bowl LI at NRG Stadium. Mandatory Credit: Robert Deutsch-USA TODAY Sports
Atlanta Falcons' Grady Jarrett (R) sacks New England Patriots' quarterback Tom Brady during the fourth quarter of Super Bowl LI in Houston, Texas, U.S., February 5, 2017. REUTERS/Richard Carson
Feb 5, 2017; Houston, TX, USA; New England Patriots wide receiver Danny Amendola (80) makes a catch for a long gain in overtime as Atlanta Falcons cornerback Brian Poole (34) defends during Super Bowl LI at NRG Stadium. Mandatory Credit: Troy Taormina-USA TODAY Sports
Country Singer Luke Bryan waves before performing the U.S. National Anthem prior to the the start of Super Bowl LI between the New England Patriots and the Atlanta Falcons in Houston, Texas, U.S., February 5, 2017. REUTERS/Adrees Latif
Former U.S. President George H.W. Bush participates in the coin toss ahead of the start of Super Bowl LI between the New England Patriots and the Atlanta Falcons as former first lady Barbara Bush looks on in Houston , Texas, U.S., February 5, 2017. REUTERS/Adrees Latif TPX IMAGES OF THE DAY
HOUSTON, TX - FEBRUARY 05: Philip Wheeler #41 of the Atlanta Falcons reacts after a fumble by the New England Patriots in the second quarter during Super Bowl 51 at NRG Stadium on February 5, 2017 in Houston, Texas. (Photo by Gregory Shamus/Getty Images)
Feb 5, 2017; Houston, TX, USA; Atlanta Falcons cornerback Jalen Collins (32) tackles New England Patriots wide receiver Chris Hogan (15) during the first quarter during Super Bowl LI at NRG Stadium. Mandatory Credit: Dan Powers-USA TODAY Sports
Atlanta Falcons' Deion Jones celebrates after New England Patriots' quarterback Tom Brady was sacked during the first quarter of Super Bowl LI in Houston, Texas, U.S., February 5, 2017. REUTERS/Adrees Latif
Feb 5, 2017; Houston, TX, USA; Atlanta Falcons quarterback Matt Ryan (2) runs the ball against New England Patriots defensive end Alan Branch (97) during the first quarter during Super Bowl LI at NRG Stadium. Mandatory Credit: Matthew Emmons-USA TODAY Sports
HOUSTON, TX - FEBRUARY 05: Devonta Freeman #24 of the Atlanta Falcons scores a touchdown on a 5 yard run agaisnt the New England Patriots in the second quarter during Super Bowl 51 at NRG Stadium on February 5, 2017 in Houston, Texas. (Photo by Gregory Shamus/Getty Images)
HOUSTON, TX - FEBRUARY 05: Tom Brady #12 of the New England Patriots walks off the field with teammates after a fumble in the second quarter against the Atlanta Falcons during Super Bowl 51 at NRG Stadium on February 5, 2017 in Houston, Texas. (Photo by Elsa/Getty Images)
Feb 5, 2017; Houston, TX, USA; Atlanta Falcons running back Devonta Freeman (24) scores a touchdown during the second quarter against the New England Patriots during Super Bowl LI at NRG Stadium. Mandatory Credit: Matthew Emmons-USA TODAY Sports
Feb 5, 2017; Houston, TX, USA; Atlanta Falcons cornerback Robert Alford (23) celebrates with the ball during the second quarter against the New England Patriots during Super Bowl LI at NRG Stadium. Mandatory Credit: Bob Donnan-USA TODAY Sports
Feb 5, 2017; Houston, TX, USA; Atlanta Falcons wide receiver Julio Jones (11) makes a first quarter catch with New England Patriots cornerback Eric Rowe (25) defending during Super Bowl LI at NRG Stadium. Mandatory Credit: Troy Taormina-USA TODAY Sports
HOUSTON, TX - FEBRUARY 05: Robert Alford #23 of the Atlanta Falcons scores an 82 yard touchdown after an interception against the New England Patriots during Super Bowl 51 at NRG Stadium on February 5, 2017 in Houston, Texas. (Photo by Elsa/Getty Images)
Feb 5, 2017; Houston, TX, USA; Lady Gaga performs during the halftime show during Super Bowl LI at NRG Stadium. Mandatory Credit: Eric Seals-USA TODAY Sports
Feb 5, 2017; Houston, TX, USA; Lady Gaga performs during the halftime show during Super Bowl LI at NRG Stadium. Mandatory Credit: Kevin Jairaj-USA TODAY Sports
Feb 5, 2017; Houston, TX, USA; New England Patriots wide receiver Julian Edelman (11) catches a tipped pass just off the turf against the Atlanta Falcons in the fourth quarter during Super Bowl LI at NRG Stadium. Mandatory Credit: Richard Mackson-USA TODAY Sports
Atlanta Falcons' Tevin Coleman (L) celebrates with teammate Justin Hardy after scoring agains the New England Patriots during the third quarter of Super Bowl LI in Houston, Texas, U.S., February 5, 2017. REUTERS/Adrees Latif
Feb 5, 2017; Houston, TX, USA; Atlanta Falcons wide receiver Mohamed Sanu (12) is tackled by New England Patriots cornerback Logan Ryan (26) in the fourth quarter during Super Bowl LI at NRG Stadium. Mandatory Credit: Eric Seals-USA TODAY Sports
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