BioPräp

BioPräp is a German manufacturer of dietary supplements, plant oils and natural cosmetics based in Osnabrück, where the company keeps its head office, production facility and shipping operation under one roof [2]. Within beauty, it is known for a small natural-cosmetics line built around sea buckthorn (Sanddorn in German), a shrub whose orange berries and seeds yield an oil used in skin care. Supplements make up the larger part of its range, and the company also makes products for other firms under contract.

The company describes itself as a traditional business and says it has been on the market for more than 25 years [4]. It has not published an exact founding year, and no founders are named. BioPräp remains active, selling through its own online shop and through resellers.

BioPräp's full legal name is BioPräp Biologische Präparate Handelsgesellschaft mbH, a German limited company registered at the district court in Osnabrück [3]. The name translates roughly as "biological preparations", which reflects its starting point in supplements and natural products rather than in cosmetics alone.

The managing director is Martin Contzen, who holds a German diploma in biology [3]. Lucas Contzen serves as the company's authorised signatory (Prokurist) and is listed as entitled to represent it. The team page also names staff responsible for order processing, quality management, production planning and accounting, reflecting a firm that develops, produces and ships its own goods.

The company's age is described in two different ways. Its main website calls it a "traditional company" and a business with a long history [4]. A second website, bio-praep.de, which also presents itself as BioPräp in Osnabrück, instead describes "a young and dynamic company" [9]. How the two websites relate to each other has not been publicly explained. The company's own statement of more than 25 years on the market places its origins around the turn of the millennium or earlier, but it gives no specific year.

BioPräp operates as an independent limited company, and no parent company or outside owner has been publicly documented. No acquisitions, mergers or sister brands are on record.

BioPräp presents itself as a health-first company rather than a beauty brand in the narrow sense. Its motto, as stated on the "About us" page, is "Natürlich für Ihre Gesundheit und Ihr Wohlbefinden" ("Naturally for your health and your well-being") [2]. The homepage title uses a slightly different wording, "Natürlich für Ihre Gesundheit und Schönheit", which swaps well-being for beauty [1]. Both versions stress natural ingredients, and the second hints at how the cosmetics line fits into a range otherwise led by supplements.

According to the company, its goal is to "take the best from nature" and turn it into products that support customers' health and well-being over the long term. It says its philosophy puts people and their needs first, and it writes that the health of its customers is spelled in capital letters. BioPräp also states that it uses high-quality natural raw materials, leaves out unnecessary fillers and uses essential additives only sparingly.

The company says its customers are health-conscious consumers, many of whom work in healthcare professions. It is careful to add that it does not offer medical help and that people who are ill should see a doctor or a naturopath. Its framing leans on self-care instead: a balanced lifestyle and healthy diet as the base, with supplements as a targeted addition. The cosmetics are described in the same spirit, with the brand saying its sea buckthorn natural cosmetics offer rich active ingredients without harmful chemical substances.

The core of BioPräp's range is dietary supplements, sorted into vitamins, plant substances, amino acids, gut bacteria, products for joints and cartilage, and omega fatty acids. Alongside these it sells plant oils such as jojoba, almond, evening primrose, sea buckthorn and black cumin oil, as well as a separate organic range.

The beauty offer centres on what the company calls its Sanddorn natural-cosmetics series [7]. Sea buckthorn is the recurring ingredient: products include Sanddorn Hautcreme (a skin cream, also sold in a version with urea), Sanddorn Kernöl (sea buckthorn seed oil) and Sanddorn Lippen-Balsam (a lip balm). The same category lists body and care products that do not carry the sea buckthorn name, among them a Q10 body milk, a shower shampoo, a children's care oil, a body and massage oil, and single oils such as tea tree and jojoba.

Production follows GMP (good manufacturing practice), a set of quality rules for how goods are made and documented. The company states that it is certified by TÜV Nord to ISO 22000, a food-safety management standard, and that it holds organic certification through the control body DE-ÖKO-037 [2]. These certifications apply to the company and its food and organic products; no separate cosmetics certification, and no vegan or cruelty-free certification, is documented. The bio-praep.de website names a different organic control body, DE-036 [9].

A second part of BioPräp's business is supplying other companies. It sells wholesale to professional groups such as naturopaths, doctors and midwives, and to online shops, pharmacies and other resellers that want to carry its products [5]. It also offers contract manufacturing and white labelling, making products to customers' own recipes for sale under their brands.

The company describes itself in this role as an experienced product developer with its own production, and it presents the service as a partnership for firms that share its interest in sustainability and natural ingredients. It calls its preparations sustainably produced, though it has not published specific environmental targets or programmes. According to BioPräp, business customers across Germany and elsewhere in Europe have relied on its products for years [5].

BioPräp is active. Its online shop was operating in 2026 with a current product range and a German and English version of the site [1]. The company continues to sell to consumers directly and to business customers through its wholesale and contract-manufacturing arm. No awards, press coverage or controversies are documented.