Butternut Box Wham Bam Lamb vs Years Complete Nutrition System

Same open algorithm, same data, side by side - so the label wins, not the marketing. How we rate

The short answer

Too close to call

92/100 Butternut Box Wham Bam Lamb vs 92/100 Years Complete Nutrition System

Butternut Box Wham Bam Lamb costs less to feed: £2.65 a day against £4.99.
Both scored by the same open algorithm - the full working is below, every point accounted for.

Attribute	Butternut Box Butternut Box Wham Bam Lamb Full review	Years Years Complete Nutrition System Full review
ODF Score	92/100 Exceptional	92/100 Exceptional
Price per day	£2.65 / day approx. (best in this row)	£4.99 / day approx.
Best price per kg	£5.48 / kg (best in this row)	£8.69 / kg
Food type	Fresh-cooked	Fresh-cooked
Life stage	Puppy & adult & senior	Adult
Properties	Grain free Gluten free Hypoallergenic Natural	Gluten free Natural
Nutrition
Protein (% DM)	35.5%	42.7%
Fat (% DM)	32.3%	21%
Est. carbs (% DM)	24.5%	26.3%
Fibre (% DM)	2.3%	1.7%
Ash (% DM)	5.5%	8.3%
Energy	~150 kcal/100g est.	~126 kcal/100g est.
First 5 ingredients	Lamb 60% Carrot 14.5% Sweet potato 4% Green beans 4% Cauliflower 4%	Chicken 15% Chicken Giblets 15% Chicken heart 15% Chicken liver 15% Sweet potato 11%
Where the points went
Ingredient quality (of 40)	33.5 / 40 (best in this row)	32.6 / 40
Meat content (of 15)	15 / 15	15 / 15
Labelling clarity (of 15)	14.8 / 15	15 / 15 (best in this row)
Additives (of 10)	10 / 10	10 / 10
Nutritional balance (of 10)	8.4 / 10	9.5 / 10 (best in this row)
Processing (of 10)	10 / 10	10 / 10
Red-flag penalties	0	0
Label last verified	July 20, 2026	July 18, 2026

Green-tinted cells mark the best value in that row - highest score, lowest price, most points.

ODF Score: 92/100 Exceptional
Price per day: £2.65 / day approx. best
Best price per kg: £5.48 / kg best
Food type: Fresh-cooked
Life stage: Puppy & adult & senior
Properties: Grain free Gluten free Hypoallergenic Natural
Protein (% DM): 35.5%
Fat (% DM): 32.3%
Est. carbs (% DM): 24.5%
Fibre (% DM): 2.3%
Ash (% DM): 5.5%
Energy: ~150 kcal/100g est.
First 5 ingredients: Lamb 60% Carrot 14.5% Sweet potato 4% Green beans 4% Cauliflower 4%
Ingredient quality (of 40): 33.5 / 40 best
Meat content (of 15): 15 / 15
Labelling clarity (of 15): 14.8 / 15
Additives (of 10): 10 / 10
Nutritional balance (of 10): 8.4 / 10
Processing (of 10): 10 / 10
Red-flag penalties: 0
Label last verified: July 20, 2026

ODF Score: 92/100 Exceptional
Price per day: £4.99 / day approx.
Best price per kg: £8.69 / kg
Food type: Fresh-cooked
Life stage: Adult
Properties: Gluten free Natural
Protein (% DM): 42.7%
Fat (% DM): 21%
Est. carbs (% DM): 26.3%
Fibre (% DM): 1.7%
Ash (% DM): 8.3%
Energy: ~126 kcal/100g est.
First 5 ingredients: Chicken 15% Chicken Giblets 15% Chicken heart 15% Chicken liver 15% Sweet potato 11%
Ingredient quality (of 40): 32.6 / 40
Meat content (of 15): 15 / 15
Labelling clarity (of 15): 15 / 15 best
Additives (of 10): 10 / 10
Nutritional balance (of 10): 9.5 / 10 best
Processing (of 10): 10 / 10
Red-flag penalties: 0
Label last verified: July 18, 2026

Ingredient differences

What only one recipe contains - the shared ingredients are tucked away at the bottom.

These recipes are 4% the same: 2 shared ingredients, and 44 that appear in only one of them. The differences are below.

Lamb Organ Meat Lamb Liver Carrot Green beans Cauliflower Lentils Broccoli Brewers yeast Minerals Linseed Turmeric Rosemary Thyme

Show the 2 ingredients they share

Good quality Acceptable / watch the amount Red flag

This is label analysis, not veterinary advice - if your dog has a health condition, talk to your vet before switching foods.