Jennifer is an Equine Osteopath, Masseur (IAAT) and Algotherapist based in Kent. She offers (UKRS) Equine Algotherapy trainings and clinics in both South and North of England.

The 2026 dates and details for the upcoming clinics will be available at the show.

What is Algotherapy?

Sea weed wrap for a relaxing effect by increasing the concentration of active ingredients at the level of the skin, activating the tissues, eliminating dead cells,
Suitable for all horses in case of sprains, strains, inflammation, soreness, stress points, common Musculo skeletal issues related to training and competition,
Products are 100% natural, non-doping and made in France,
Products access through Jennifer Postollec Castagna the only distributor in England.

The EquiThalasso products is an equine product range made exclusively from natural raw materials extracted from the sea. These natural, drug-free, high quality, lab-certified products provide a variety of benefits tailored to your horse’s specific needs for performance, prehab, rehab, relaxation and recovery.
Soothes and prepares joints and tendons to help prevent sprains and strains from heavy work or competition.
The known properties of algae help to detoxify, reduce tension and soothe muscles and tissues.

The products have a high concentration of mineral salts and trace elements which give them excellent antiseptic and anti-viral properties.

The algae are then micronized to release their nutritive and revitalizing principles.

The products from the Equine Range are 100& safe for both Equine and Humans simply because they are produced and tested in French laboratories (expert in baby health, Natural Health, Family Pharmacy).

Produced in France from sources on the historical sites of Normandy and Brittany sites that are constantly changing. Made In France – acknowledged and appreciated on the international stage (Normandy, Finistère, Pyrenees, Cévennes) the quality benchmark of their products.

Extracted the active substances while preserving their original quality carefully create them to guarantee the synergy of the active substances their natural properties and preservation.

The lab is a member of several professional organisations that aim to share best practices and to monitor regulatory changes:

To name a few:

• Member of LEEM (Trade Association of the Medicines Industry)
• Member of the European Centre of Dermocosmetology
• Member of the Association Française de l’Industrie Pharmaceutique pour une Automédication Responsable (French Association of the Pharmaceutical Industry for Responsible Self-Medication)

The cryotendons, marine mud and draining clay pastes will be available to purchase for horse owners.

Want to pamper your horse with natural care, but unsure which products to choose from our equine range?
Miniatures are made for you!

• Cryotendons (150 g): A refreshing treatment perfect for soothing stressed tendons and ligaments.
• Draining Clay (150 g): Promotes the elimination of toxins and supports muscle recovery.
• Noirmoutier Marine Mud (150 g): Rich in minerals, it revitalizes and tones tissues.

The rest of the range is available for certified Algotherapists.

Jennifer Castagna often speaks at conferences in both France and England and runs workshops along with other professionals from the industry where the topics always focus on a better understanding of horses Musculo skeletal system to avoid unfortunate consequences on their mental and physical wellbeing.

‘Passion always pushes me to train myself more every year on different topics and the desire to learn always pushes me to want to live new experiences in the field of equine health and well-being. My ultimate goal is to work in a global approach which allows to me improve and respect the emotional and physical integrity of each horse.’