Vitabiotics vice-president Robert Taylor said: 'The new health claims regulation would be hugely detrimental, as many claims would be prohibited even though they are true and scientifically substantiated.
He added: 'Vitabiotics will be educating decision makers on the regulations to ensure that the final agreement is beneficial.'
These include a system of prior approval for all health claims and a ban on all slimming, behavioural, psychological and wellbeing claims.
They also prohibit product endorsements by health professionals and charities.
Under scrutiny by three EU parliamentary committees and a Council of Ministers working group, the law is due to be passed before the summer recess at the end of July.