Condrosan pCS Bioiberica canon Spain · generic bovine alternative · marine (shark) less preferred.
Spanish prescription-grade bovine CS
Best for
Ideal use: knee/hand OA · structure-modifying · EULAR canon.
Advantages
Form of canon RCTs (Singh, Hochberg MOVES, Möller, Gabay). EULAR 2024 strong recommendation. HPLC standardization + validated molecular weight 10-50 kDa. Homogeneous 4/6-O sulfation.
Disadvantages
Expensive (~€30-45/month) vs generics. Only OTC Spain as Condrosan (Bioiberica) or Condrosulf.
CS extracted from bovine trachea cartilage
Best for
Ideal use: budget · validate brand · HPLC certified analysis.
Advantages
Affordable (~€15-25/month). Same sulfated CS molecule. Good budget alternative · validate brand with HPLC + molecular weight certificate of analysis.
Disadvantages
Heterogeneous quality between brands. Variable molecular weight. Variable purity.
Fish cartilaginous chondrocranium origin
Best for
Ideal use (limited): religious/dietary non-bovine · pescetarian.
Advantages
Religious kosher/halal/non-bovine alternative. Some premium brands.
Disadvantages
Sustainability questioned (shark overexploitation). Variable quality. Higher cost. Fewer canon RCTs.
Ideal use: knee/hand OA · structure-modifying · EULAR canon.
Ideal use: budget · validate brand · HPLC certified analysis.
Ideal use (limited): religious/dietary non-bovine · pescetarian.
Condrosan pCS Bioiberica canon Spain · generic bovine alternative · marine (shark) less preferred.