Two options.
A clearer comparison.

Collagen, fish oil & other blends

knee + hip

What happens

Review the precise ingredients and doses with a clinician or pharmacist, including interactions.

Onset

A reliable personal timeline cannot be predicted from the evidence reviewed here. Agree on a review date before starting.

Duration

Benefit and durability depend on the exact intervention and population. The evidence section below explains what is known.

Repeat treatment

Set a review point and avoid indefinite purchases without meaningful benefit.

Recovery

Discuss interactions and whether the product should be paused around surgery.

Cost components

The exact formulation, ongoing purchases, and any monitoring.

Corticosteroid injection

knee + hip

What happens

Clinical assessment and an injection of a specified corticosteroid into the joint when appropriate.

Onset

Ask when to expect the specific medicine to work and when lack of improvement should trigger review.

Duration

NICE describes short-term relief of about 2–10 weeks; response varies and some people do not benefit.

Repeat treatment

Repeated injections require review of benefit, risks, and any planned surgery.

Recovery

Ask who provides follow-up, what symptoms need urgent attention, and what restrictions apply to you.

Cost components

Consultation, medicine, injection, any imaging guidance, and follow-up.

Timing source ↗