Platinum Performance CJ

Key Takeaways

• Overall score: 5.8 / 10 — A formula with outstanding breadth and design, held back by very high cost and the absence of chondroitin.
• The broadest joint formula we have audited: ASU at 2,000 mg (double the threshold), boswellia at 1,400 mg, plus cetylated fatty acids — three non-baseline differentiators.
• Glucosamine is in sulfate form, not the preferred HCl form. This lowers absorption efficiency and contributes to a below-average Ingredient Form score.
• No chondroitin sulfate at all. This is a notable omission for a premium joint supplement, and it costs the product 0 points in one of the four scored dosing slots.
• At approximately $6.17 per day (25 lb bucket), this is the most expensive joint supplement we have reviewed. The price reflects the fact that Platinum CJ is a combination product — wellness base plus joint support in one bucket — but the Value dimension scores only what you pay per effective day of joint supplementation.
• Quality Assurance documentation is minimal. No NSF or Informed Sport certification, no public COA, and no explicit cGMP claim on the product page.

Label Transparency — 13 / 15

Platinum Performance CJ earns a strong Label Transparency score. Every active ingredient is individually quantified with exact milligram amounts per two-scoop (156 g) serving, including a full breakdown of the Joint Support Blend’s six components. The glucosamine source is identified as shellfish. Hyaluronic acid, however, has no source specified. Serving size (78 g per scoop), servings per container, inactive ingredients, and weight-based dosing instructions are all provided.

The product uses generic ingredient names throughout. No trademarked specifications such as FCHG49, OptiMSM, or NMX1000 appear on the label. This costs the product one point in the specification standards sub-score, leaving it at 13 out of a possible 15.

Ingredient Form — 15 / 20

This dimension scores only the chemical form of each ingredient — not how many ingredients are present or how much of each.

Platinum CJ’s biggest form liability is its glucosamine. The product uses glucosamine sulfate 2KCl rather than the preferred HCl form. Glucosamine sulfate delivers fewer milligrams of actual glucosamine per gram of raw material because of the sulfate and potassium chloride salt weight. This drops the glucosamine form score to 2 out of 4. Hyaluronic acid is listed generically without specifying sodium hyaluronate, earning only 2 out of 4.

On the positive side, the product’s minerals are in excellent forms: zinc amino acid complex (chelated, 4/4), copper amino acid complex (chelated, 4/4), and vitamin C as ascorbic acid (4/4). ASU and boswellia are both present as extracts, though neither lists standardization to a specific active compound percentage, capping both at 3/4.

Across 11 scored active ingredients, the average form score is 3.09 out of 4.00, producing a dimension score of 15 out of 20. This is identical to Cosequin ASU and two points below SmartFlex Ultra’s 17.

Dosing Adequacy — 13 / 20

For joint supplements, we score four ingredients against therapeutic thresholds derived from NRC and published literature for a 500 kg horse:

Glucosamine (primary, threshold 10,000 mg): 8,820 mg delivered. This is 88.2% of the threshold — a meaningful shortfall, though not severe. The use of sulfate form means the effective glucosamine content is further reduced once salt weight is accounted for, but our dosing dimension scores the stated label amount rather than the adjusted free-base equivalent. Score: 6 / 8.

MSM (secondary, threshold 10,000 mg): 8,200 mg delivered, reaching 82% of the threshold. Slightly underdosed but within a clinically relevant range. Score: 3 / 4.

Chondroitin sulfate (secondary, threshold 2,500 mg): Not present. Chondroitin is absent from this formula entirely. For a product marketed as full-spectrum joint support at this price point, the omission is surprising. Score: 0 / 4.

ASU (secondary, threshold 1,000 mg): 2,000 mg delivered — double the therapeutic threshold. Both ASU and hyaluronic acid (90 mg, 90% of its 100 mg threshold) are present; we score whichever has the higher dose ratio. ASU at 200% clearly exceeds HA at 90%. Score: 4 / 4.

Total: 6 + 3 + 0 + 4 = 13 / 20. The absent chondroitin creates a permanent zero in one scoring slot. The remaining three scored ingredients perform well.

Formula Design — 13 / 15

This is Platinum CJ’s strongest dimension and the highest Formula Design score we have recorded. The product demonstrates genuine innovation beyond the baseline joint supplement template.

Core completeness: Three of the four core joint ingredients are present — glucosamine, MSM, and hyaluronic acid. Chondroitin is absent, costing the product two points here. Score: 4 / 6.

Supporting ingredient breadth: Five quantified active ingredients beyond the core four are present: boswellia serrata extract, cetylated fatty acids, vitamin C, zinc, and manganese. This earns the maximum breadth score. Score: 5 / 5.

Formula differentiation: Three non-baseline ingredients are present at meaningful doses: ASU (2,000 mg, double the threshold), boswellia (1,400 mg, nearly five times the 300 mg threshold), and cetylated fatty acids (275 mg, a novel anti-inflammatory with no established threshold). This diversity of mechanism — ASU for cartilage protection, boswellia for inflammation modulation, and cetylated fatty acids for joint lubrication — is unique among the products we have reviewed. Score: 4 / 4.

Total: 4 + 5 + 4 = 13 / 15.

Quality Assurance — 1 / 15

The product page states it is “formulated to not include substances forbidden by the USEF” and displays a Safe for Sport badge. However, this is a formulation claim — it describes ingredient selection, not independent batch testing for prohibited substances. The product does not carry NSF Certified for Sport or Informed Sport certification. No Certificate of Analysis is publicly available or offered on request. Country of origin (USA, manufactured in Buellton, California) is stated, but no explicit cGMP facility certification or QC program description appears on the product page.

Important context: This score reflects publicly available documentation, not a judgment of actual product quality. Platinum Performance is a veterinary-developed brand with over 25 years of market presence and extensive veterinary endorsement. The company can improve this score by publishing COAs, obtaining third-party sport certification, or describing their manufacturing QC program publicly. We welcome Platinum Performance to contact us at contact@equineauditlab.com with updated documentation.

Value — 3 / 15

Platinum CJ is the most expensive joint supplement we have reviewed. This requires context: the product is not a standalone joint supplement. It is a combination formula that bundles the full Platinum Performance Equine wellness base (omega-3 fatty acids, vitamins, trace minerals, amino acids) with a full joint support blend. Horse owners who would otherwise purchase a wellness base and a joint supplement separately may find the combined cost competitive. However, our Value dimension scores what the consumer pays per effective day of joint supplementation, regardless of the additional wellness ingredients bundled in.

Cost Per Effective Day (CPED): Using the 25 lb bucket (145 servings, $447.00), at 2 scoops per day: $447.00 ÷ 72.5 days = $6.17 per day. This places the product in the lowest scoring tier (>$4.00/day). Score: 1 / 8.

Cost Per Gram of Primary Active (CPG): $6.17 ÷ 8.82 g glucosamine = $0.70 per gram. This is well above the $0.50/g ceiling for any points in this sub-score. Score: 0 / 5.

Size options: Five sizes are available (10 lb, 17.5 lb, 25 lb, 50 lb, and 135 lb for barns), with per-day savings on larger sizes. Score: 2 / 2.

Total: 1 + 0 + 2 = 3 / 15.

The Bottom Line

Platinum Performance CJ is the most innovative joint formula we have audited. It delivers the highest Formula Design score we have recorded (13/15), with three distinctly differentiated anti-inflammatory and chondroprotective mechanisms beyond the standard glucosamine-MSM-chondroitin template. ASU at double the therapeutic threshold and boswellia at nearly five times its threshold are impressive. However, the formula has two significant liabilities: the absence of chondroitin sulfate — a surprising gap for a premium product — and a cost structure that makes it the most expensive option in our database by a wide margin. At $6.17 per day, the Value score (3/15) is the lowest we have recorded. If your horse is already on a Platinum Performance Equine wellness base and you would be purchasing joint support separately anyway, the combined cost may make sense. If you are evaluating CJ purely as a joint supplement against standalone alternatives, the price-to-performance ratio is difficult to justify at this score level.

Product Specifications

Joint Support Blend per 2-scoop serving (156 g):

Frequently Asked Questions

Sources

1. Platinum Performance CJ — Official Product Page (accessed April 8, 2026). Product description, ingredient list, guaranteed analysis, dosing instructions, and USEF formulation statement.
2. Saratoga Horse Rx — Platinum Performance CJ Pricing (accessed April 8, 2026). Retail pricing: 10 lb = $179.00, 17.5 lb = $316.00, 25 lb = $447.00.
3. Mad Barn Feed Bank — Platinum Performance CJ Nutritional Profile (accessed April 8, 2026). Full ingredient list, scoop size (78 g), and component breakdown.
4. Platinum Performance — Quality Page (accessed April 8, 2026). Company quality claims reviewed for QA dimension scoring.
5. National Research Council. Nutrient Requirements of Horses, 6th Revised Edition. National Academies Press, 2007. Referenced for clinical dosing benchmarks (500 kg horse).