Sir David Attenborough is furious after scammers claimed he developed a cannabis oil product.

The sellers state on Facebook Sir David believes he “wouldn’t be here” if not for the CBD supplement.

They also list fake reviews from stars including Dame Helen Mirren, Rowan Atkinson and Ed Sheeran.

Sheeran’s false quote reads: “The advances David has made in the CBD industry are remarkable.”

Dame Judi is supposed to have said: “David gave me a sample of Nutrax oil and the product is a miracle worker. It only took a few days for me to notice the difference.”

Sir David, 94, was “appalled” after being alerted to the advert for “David Attenborough CBD Oil” by a fan.

His spokesman said: “These are not genuine endorsements and Sir David has had no involvement whatsoever with these products.

Read more at The Daily Mirror