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Pre-workout audits/Mainstream multi-active
Public-evidence desk audit / provisional category rank 3Optimum Nutrition

Gold Standard Pre-Workout

A transparent European formula with 3 g creatine and 175 mg caffeine. Several supporting actives are present at modest amounts, and the exact certification trail is less clear than the category leaders.

Optimum Nutrition Gold Standard Pre-Workout tub
Official manufacturer product image, shown for product identification. Open the source page ↗
Caffeine / serving175 mg
Product classMainstream multi-active
Testing signalNo exact EU register located
Audit date9 November 2026
Verdict

The EU product clearly states its caffeine and creatine, which is better than a proprietary blend. However, 750 mg citrulline and 1,5 g beta-alanine are modest compared with commonly studied standalone amounts, and we did not locate an exact current public EU product register in this audit.

Score breakdown

AreaFindingScore
FormulationUseful creatine/caffeine core; lighter support doses19 / 25
TransparencyFull EU composition table19 / 20
Laboratory verificationNo exact current EU register located9 / 20
SafetyCaffeine quantity and limits visible13 / 15
Company reliabilityEstablished manufacturer and regional label9 / 10
ValueBroad availability; formula value is mixed9 / 10

Formula and label

The European label lists 3 g creatine, 1,5 g beta-alanine, 750 mg citrulline, 175 mg caffeine and smaller amounts of carnitine, tyrosine and botanical ingredients. The creatine and caffeine do most of the evidential work; the longer label should not be mistaken for proportionately greater effect.

Laboratory and certification trail

Optimum Nutrition operates Informed Choice products, but the public evidence reviewed did not establish a current exact listing for this EU pre-workout. Absence from the register is not a failed test; it means the audit cannot award the same verification points as NSF-listed rivals.

Company accountability

The official regional page provides a full composition table and sensible warnings. Brand size is not a replacement for exact product-level certification.

Where this fits

Potentially useful for someone who wants creatine and caffeine in one drink and understands the formula. Daily creatine consistency becomes awkward if the product is only used occasionally.

Limits and update trigger

No independent assay or tolerance test. Exact formula and warnings vary by region.

Evidence register

  1. Optimum Nutrition EU product page.
  2. Optimum Nutrition certification support page.

Source rule: Manufacturer pages establish the current label and company claims. Independent directories establish only the certification, product, region and batches they actually list. Popularity, awards and affiliate economics add zero points.

Official product page

No retailer or affiliate relationship is active on this page. Price, formula, serving size and certification can differ by country and variant.

Check the manufacturer page ↗
Affiliate disclosure: this audit currently contains no monetised purchase link. If that changes, the commercial link will be labelled and the score will remain unchanged.
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