View calories and nutrition info per 1 Mushroom/63g of Chestnut Mushrooms and see how many calories are in 100g of Chestnut Mushrooms and its nutrition information. . This gives as percentage of the recommended daily allowance 3 % of the RDA. LIFE 3d + £1 £4 per kg. Calories in Aldi Nature's Pick British Vitamin D Chestnut Mushrooms 250g. The percentage of the recommended daily value for this serving is 28 %. Low Fat Recipes | For a typical serving size of 1 oz (or 28.35 g) the amount of Calories is 63.5 kcal. 100g of chestnuts provides just 149 calories and, unlike other nuts, they are higher in carbohydrates containing 28g per 100g.