The environmentalist added that she will also "never" date a meat-eater. Ms Amherst has been a vegan for seven years. Speaking to the Daily Star, she said she is “happy” about the potential food shortages this Christmas because it will mean less meat on the shelves.
The 31-year-old added how feels “perfectly healthy” with her diet.
Ms Amherst is encouraging people to eat a plant-based diet if the country runs out of meat because of the current HGV driver shortage.
Supply chains problems in the UK have led to decreased production with food producers.
This has been exacerbated by labour shortages and post-Brexit immigration rules.
Ms Amherst has now set up an OnlyFans page.
She says 75 percent of profits from her page will go to Extinction Rebellion, Greenpeace and an animal charity.
Ms Amherst has so far having raised £2,500.
The activist wants to use her OnlyFans page to encourage more people to think about switching to a plant-based diet.
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She said: “I wish more people would reduce their meat.
"I want people to consider the all-around benefits of veganism.
"I have been vegan for nearly seven years now, and I'm perfectly healthy.”