So this is my homebrew verson of upcasting goodberries. This tails off the idea of goodberries containing 2,000 insta applying calories and healing 1hp at a level 1 slot.
level 2 can heal a d4, 4,000 calories per berry (large blueberry in size) [1.14lbs]
a level 3 heals 3d4, level 3 also heals light scaring 16,000 calories per berry (cherry size)[4.57lbs]
4 heals 4d4 mass scaring and nerve damage, 128,000 calories per berry (grape size)[36.5lbs]
5th heals 5d4 adds curing deseases, 2,048,000 calories per berry (walnut sized)[585.1lbs]
6th heals 6d4 you can regrow lost organs and stops organ falure, 65,563,000 calories per berry(lime, sized)[18,724lbs]
7th heals 7d4 can re grow limbs, 4,194,304,000 calories per berry (lemon size)[1,198,372lbs]
8th heals 8d4 and gives +100 temp hp for 48 hours 536,870,912,000 calories per berry (jucing orange sized)[153,391,689lbs]
9th heals 9d4 gives you legendary resistances to all damage, 137,438,953,472,000 calories per berry, (grapefruit sized) [39,268,272,420lbs]