How is this protein powder best used – only in a shaker, or are there other options? — ICONFIT 100% Whey Protein - Banana 1 kg

The way of use is not described on the card: it says “see the packaging”. The card names no shaker or other options, no portions and no time of intake; it says only that the product is suitable for use after training.

General information (not a manufacturer's instruction): the storage conditions and the best-before date are also given on the packaging.