Acidifiers are a major cause of vein damage, and advice from harm reduction services to ‘use less’ has had only a limited effect.

This is a unique project designed to change the way injectors add acids to their drugs. We have developed this new video to explain to injecting drug users exactly how citric helps dissolve heroin, and why adding too much citric doesn’t dissolve more drug, and damages veins.

The film shows a controlled lab experiment using real heroin and stunning animation to describe the chemistry in plain English. It's a huge step forward in safer injecting information that comes FREE with Exchange Supplies citric and vitC.