First, let's take a look at the macros. Each of these are listed in grams and as usual, normalized to 200 calories for easy comparison, so we're always comparing apples to apples.
| Romaine lettuce | Brussel sprouts |
| Nutrient | romaine lettuce | brussel sprouts |
| Protein | 14g | 16g |
| Carbohydrate | 39g | 42g |
| Fiber | 25g | 18g |
| Fat | 4g | 1g |
| Monounsat. Fat | 0g | 1g |
| Polyunsat. Fat | 2g | 1g |
| Saturated Fat | 0g | 0g |
Next, let's take a look at the Vitamin density. These values are shown in units of percent of recommended daily intake. And since we're showing 200 calories worth, this means anything above 10% is good.
| Nutrient | romaine lettuce | brussel sprouts |
| Choline | 28% | 21% |
| Vitamin A | 821% | 28% |
| Vitamin C | 376% | 527% |
| Vitamin E | 13% | 34% |
| Vitamin K | 1507% | 1029% |
Romaine lettuce have significantly more Vitamins A, K than brussel sprouts. Brussel sprouts have significantly more Vitamins E, C than romaine lettuce. Romaine lettuce are a good source of Niacin, Pantothenic Acid, Zinc. Romaine lettuce are a great source of Thiamin, Riboflavin, Vitamin B6, Potassium, Magnesium, Calcium, Phosphorus. Romaine lettuce are an excellent source of Vitamin A, Vitamin K, Vitamin C, Iron. Brussel sprouts are a good source of Vitamin A, Vitamin E, Riboflavin, Niacin, Pantothenic Acid, Magnesium, Zinc, Calcium. Brussel sprouts are a great source of Thiamin, Vitamin B6, Potassium, Phosphorus. Brussel sprouts are an excellent source of Vitamin K, Vitamin C, Iron.
And here we see the B-vitamins: B1 (Thiamin), B2 (Riboflavin), B3 (Niacin), B5 (Pantothenic Acid), B6 (Pyridoxine)
| Nutrient | romaine lettuce | brussel sprouts |
| Vitamin B1 | 85% | 65% |
| Vitamin B2 | 72% | 38% |
| Vitamin B3 | 31% | 29% |
| Vitamin B5 | 33% | 29% |
| Vitamin B6 | 79% | 93% |
| Vitamin B12 | 0% | 0% |
Now, lets look at mineral density. Here we have a lot of important electrolytes and minerals. Once again, units are in percent of RDI, thus for this 200 calorie serving anything above 10% would considered high.
| Nutrient | romaine lettuce | brussel sprouts |
| Sodium | 6% | 8% |
| Potasium | 83% | 52% |
| Calcium | 78% | 39% |
| Magnesium | 47% | 31% |
| Phosphorus | 61% | 55% |
| Iron | 190% | 109% |
| Manganese | 79% | 68% |
| Selenium | 10% | 17% |
| Copper | 56% | 33% |
| Zinc | 29% | 21% |