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Why do your supplements contain excipients? Are any of them harmful?

Unlike the excipients added to processed foods, those used in medicines and dietary supplements are needed:

  • To facilitate delivery of the active principle to the body. If the dose of the active substance is very small, it’s necessary to bulk out the capsule or tablet with an excipient. For that, a further excipient that binds these two ingredients is often needed. Sometimes, it’s important for the active principle to be released only when it reaches its destination. This is the case with probiotics, for example, which need to withstand the acidity of the stomach in order to arrive in the gut live and intact. Enteric-coated capsules using excipients have thus been created so that they only dissolve once they reach the gut.
  • To produce a form (capsule, gel, drops, liquid) suited to the relevant administration method (drinking, injecting, through the skin …).
  • To improve the manufacturing process. Problems may occur during the manufacture of a supplement such as powders not flowing properly in matrices. Flowing agents are therefore added such as stearic acid or rice flour.
  • To make a medicine more acceptable. It’s sometimes necessary to mask an unpalatable taste, especially for children. A number of excipients can flavour the supplement to increase treatment compliance. Other excipients are used to develop liquid or effervescent forms that are easier to ingest.
  • To ensure preservation or maximise bioavailability. As active principles are often fragile, it may be necessary to add antioxidant excipients, and even antimicrobial preservatives. In other cases, excipients will improve absorption of the active substance by the body.

The use of excipients is therefore key to producing an effective dietary supplement. But it would obviously be crazy to use toxic excipients in a product designed to improve human health! That’s why we guarantee that our supplements contain no ‘excipients with recognised harmful effects’ as defined by European regulations.

Although none of the following excipients have been identified as toxic by scientific studies, we have nonetheless decided to replace microcrystalline cellulose, silicon dioxide, magnesium stearate and all other synthetic excipients with natural ones: acacia gum, rice flour and rice bran. These do not appear on the European list of excipients with harmful effects: they are considered safe for human health. Thus it’s primarily for ecological and ethical reasons that we have taken this step, as well as to satisfy those customers keen to see more totally natural excipients in our products (‘Clean Label’).

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