This is a surprisingly high-traffic search on our own site, which tells us people genuinely aren't sure what Ensure actually is — so here's a fair, factual answer rather than a dismissive one.
What Ensure actually is
Ensure is a nutritional supplement drink product, originally developed and widely used for medical and clinical nutrition support — for people who are underweight, recovering from illness or surgery, or otherwise need a complete, calorie-and-nutrient-dense drink under medical or dietary guidance. It's formulated for that purpose, and it does that job well.
How that differs from a fitness protein powder
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Ensure is typically formulated as a complete nutritional supplement (protein, carbohydrate, fat, vitamins and minerals together), not primarily a protein-per-serve product.
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A fitness-focused protein powder like GC Proteins is formulated around maximising protein per serve for athletic recovery and daily protein goals, not as a complete meal replacement or clinical nutrition product.
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The two products are designed for genuinely different use cases, and comparing them head-to-head on protein content alone misses what each is actually built to do.
Which one you actually need
If you're managing a medical condition, recovering from illness, or have been advised by a healthcare professional to use a specific nutritional supplement, follow that guidance — that's exactly what products like Ensure are designed for. If you're a generally healthy adult looking to add protein to a normal diet or support training recovery, a dedicated protein powder is the more appropriate fit.
The honest bottom line
Ensure and GC Proteins aren't competitors trying to do the same job — they're different products for different needs, and the right choice depends entirely on why you're buying, not which one has more marketing reach on a supermarket shelf.
This article is general nutrition information, not medical advice. Protein, sugar and label figures reflect GC Proteins' published nutrition panel; always check the pack in front of you, since formulations can be updated. Speak with a doctor or accredited dietitian about your individual protein needs.