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Doctor's Best: prices and comparison of its 8 products
The short answer. This site compares 8 Doctor's Best products across 4 categories, sold at Amazon. The highest scoring is Doctor's Best Vitamina C con Q-C | 1000mg - 120 cápsulas, with 50 out of 100 at €33.95 from Amazon. In glucosamine and chondroitin, the cheapest per capsule is Doctor's Best, Glucosamina-Condroitina MSM, con OptiMSM, 360 Cápsulas, Probado en Laboratorio, Sin Soja, Sin Gluten, No GMO, at €0.259/capsule. In l-carnitine, the cheapest per capsule is Doctor's Best L-Carnitina Fumarato con Biosint Carnitinas | 855mg - 60 cápsulas vegetales, at €0.549/capsule. In citrulline, the cheapest per kg is Doctor's Best, L-Citrulline (L-Citrulina), 200g Polvo Vegano, Aminoácido, Probado en Laboratorio, Sin Gluten, Sin Soja, Vegetariano, at €237.10/kg. Prices collected on October 15, 2026.
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Doctor's Best glucosamine and chondroitin
5 products, from cheapest per capsule to dearest
| Product | Pack | Price | €/capsule | Level | Score | Store |
|---|---|---|---|---|---|---|
| Doctor's Best, Glucosamina-Condroitina MSM, con OptiMSM, 360 Cápsulas, Probado en Laboratorio, Sin Soja, Sin Gluten, No GMO | 360 capsules | €93.10 | €0.259/capsule | 1 | 46 | Amazon |
| Doctor's Best, Glucosamina-Condroitina MSM, con OptiMSM, 240 Cápsulas, Probado en Laboratorio, Sin Soja, Sin Gluten, No GMO | 240 capsules | €64.03 | €0.267/capsule | 1 | 45 | Amazon |
| Glucosamina, Condroitina y MSM con OptiMSM - 240 cápsulas | 240 capsules | €69.99 | €0.292/capsule | 1 | 45 | Amazon |
| Glucosamina Condroitina Msm Con Optimsm, 120 Cápsulas | 120 capsules | €39.99 | €0.333/capsule | 1 | 44 | Amazon |
| Doctor's Best, Glucosamina, Condroitina, MSM y Ácido Hialurónico, 150 Cápsulas, Probado en Laboratorio, Sin Gluten, Sin Soja | 150 capsules | €60.21 | €0.401/capsule | 1 | 43 | Amazon |
Doctor's Best l-carnitine
1 product, from cheapest per capsule to dearest
| Product | Pack | Price | €/capsule | Level | Score | Store |
|---|---|---|---|---|---|---|
| L-Carnitina Fumarato con Biosint Carnitinas | 855mg - 60 cápsulas vegetales | 60 capsules | €32.95 | €0.549/capsule | 1 | 29 | Amazon |
Doctor's Best citrulline
1 product, from cheapest per kg to dearest
| Product | Pack | Price | €/kg | Level | Score | Store |
|---|---|---|---|---|---|---|
| Doctor's Best, L-Citrulline (L-Citrulina), 200g Polvo Vegano, Aminoácido, Probado en Laboratorio, Sin Gluten, Sin Soja, Vegetariano | 200 g | €47.42 | €237.10/kg | 1 | 46 | Amazon |
Doctor's Best vitamin c
1 product, from cheapest per capsule to dearest
| Product | Pack | Price | €/capsule | Level | Score | Store |
|---|---|---|---|---|---|---|
| Vitamina C con Q-C | 1000mg - 120 cápsulas | 120 capsules | €33.95 | €0.283/capsule | 1 | 50 | Amazon |
Questions about Doctor's Best
Answered with the data on this page
- Which is the cheapest Doctor's Best product?
- In glucosamine and chondroitin, Doctor's Best, Glucosamina-Condroitina MSM, con OptiMSM, 360 Cápsulas, Probado en Laboratorio, Sin Soja, Sin Gluten, No GMO from Amazon: €93.10 for a 360 capsules pack, or €0.259/capsule. In l-carnitine, Doctor's Best L-Carnitina Fumarato con Biosint Carnitinas | 855mg - 60 cápsulas vegetales from Amazon: €32.95 for a 60 capsules pack, or €0.549/capsule. In citrulline, Doctor's Best, L-Citrulline (L-Citrulina), 200g Polvo Vegano, Aminoácido, Probado en Laboratorio, Sin Gluten, Sin Soja, Vegetariano from Amazon: €47.42 for a 200 g pack, or €237.10/kg. The comparison is by price per unit of sale, not per pack: a big tub can cost more and still work out cheaper.
- What do we make of Doctor's Best?
- There are no paid reviews and no stars: every product carries a score out of 100, 35 % price against the cheapest in its category and the rest verifiable quality, category requirements and store ratings. The best from Doctor's Best is Doctor's Best Vitamina C con Q-C | 1000mg - 120 cápsulas with 50 points, and each product page explains its score line by line.
- Where to buy Doctor's Best cheapest?
- Among the stores compared here, only Amazon sells Doctor's Best.







