In a letter this month, seen by the BBC, the high street retailer says it wants a reduction of costs of at least 5% from all its suppliers.
It also wants suppliers to pay for £3m worth of security tags and CCTV.
The Forum of Private Business has described it as a "smash and grab raid" on the supply chain.
"I am surprised at the unwholesome attitude of Holland and Barrett," said Ian Cass, Managing Director of the FPB.
