Lets compare vitamin content per 100 grams of Peppermint vs Spearmint:
Fresh Peppermint has 1.5 times more Vitamin B2, 1.8 times more Vitamin B3, 1.4 times more Vitamin B5 and 2.4 times more Vitamin C than Fresh Spearmint.
Both Fresh Peppermint and Fresh Spearmint have similar amounts of Vitamin A, Vitamin B1, Vitamin B6 and Vitamin B9 per 100 g.
Both Fresh Peppermint as well as Fresh Spearmint have insufficient amounts of Vitamin B12 and Vitamin D in 100 g.
Comparing minerals per 100 grams for Peppermint vs Spearmint:
Fresh Peppermint has 1.2 times more Calcium, 1.4 times more Copper, 1.3 times more Magnesium, 1.2 times more Phosphorus and 1.2 times more Potassium than Fresh Spearmint.
While Fresh Spearmint contains 2.3 times more Iron than Fresh Peppermint.
Both Fresh Peppermint and Fresh Spearmint have similar amounts of Manganese, Sodium, Zinc and Water per 100 g.
Comparison of macro-nutrients per 100 grams:
Fresh Peppermint has 1.6 times more Energy, 1.3 times more Omega 3 and 1.8 times more Carbohydrate than Fresh Spearmint.
Both Fresh Peppermint and Fresh Spearmint have similar amounts of Fiber and Protein per 100 g.
Both Fresh Peppermint as well as Fresh Spearmint have insufficient amounts of Fat, Omega 6, Cholesterol, Glucose and Sucrose in 100 g.