Who should not buy LactiGo—or should wait

Your sport does not resemble the studied task

The strongest study involved elite male rugby sevens players completing repeated six-second maximal cycling sprints. An endurance runner, recreational lifter, female athlete, youth athlete, or rehabilitation patient may respond differently.

The further your training is from repeated explosive efforts, the more cautious the inference should be.

You need recovery claims the study did not test

The rugby pilot measured sprint power, heart rate, and perceived exertion during one protocol. It did not establish reduced delayed-onset muscle soreness, faster tissue recovery, fewer injuries, or improved performance days later.

Marketing language about recovery should not be treated as if every outcome was tested in the same trial.

The label or your skin says stop

Do not apply the menthol gel to wounds, irritated or damaged skin, with a heating pad, under tight bandaging, around eyes or mucous membranes, or in skin folds. Stop for specified irritation or worsening symptoms and seek medical guidance as directed by the label.

A history of sensitivity, pregnancy, breast-feeding, medical care, or persistent pain is a reason to check with an appropriate professional before experimenting.

You are buying the patent or certification story

A patent can demonstrate novelty and ownership of claims; it is not clinical replication. Informed Sport certification is meaningful for contamination screening; it is not proof of efficacy. An OTC menthol label supports specified temporary pain-relief uses; it does not validate every performance headline.

Buy only if the complete evidence-and-fit case works for you.

Where expectations most often outrun the evidence

The largest risk is not necessarily the product itself; it is interpreting a noticeable skin sensation as proof of a deeper physiological result. Topical products can feel immediate, while changes in strength, endurance, tissue recovery, or injury status require different evidence. The available records should be read narrowly: what population was studied, what protocol was used, what outcome changed, and whether that resembles your sport and use case.

Personal response also varies. Skin tolerance, sweat, clothing, application area, training environment, and expectations can all affect the experience. A result in a controlled setting does not guarantee a useful effect in your own session. Keep the claim boundary visible: use the product only for the purpose supported by the current label and evidence, and avoid turning uncertainty into certainty because the effect is easy to feel.

• Separate sensation from performance and recovery outcomes.
• Check whether the studied protocol resembles your use.
• Do not treat one successful session as a durable result.
• Keep injury diagnosis and treatment outside the product claim.