Preparation in the form of a bar

The invention relates to a dietetic preparation in the form of a bar comprising a) in the range of ≥ 8 wt .-% to ≤ 15 wt .-% encapsulated fish oil; b) in the range of ≥ 3 wt .-% to ≤ 6 wt .-% collagen hydrolyzate; c) in the range of ≥ 3 wt .-% to ≤ 12 wt .-% of a vitamin and mineral-containing mixture; d) in the range of ≥ 0.05 wt .-% to ≤ 3 wt .-% magnesium citrate; and e) in the range of ≥ 12 wt .-% to ≤ 25 wt .-% of milk and / or soy proteins, wherein the information is based on a total weight of the composition of 100 wt .-%.