Spare Tongue Gum

Upgrade	Effect	Sell value	Magic Powder
+0	+2% base speed · -1% HP drain	10,680	160
+1	+2.1% base speed · -1.1% HP drain	11,310	163
+2	+2.2% base speed · -1.2% HP drain	12,108	168
+3	+2.3% base speed · -1.3% HP drain	13,074	174
+4	+2.4% base speed · -1.4% HP drain	14,208	186
+5	+2.5% base speed · -1.5% HP drain	15,510	199
+6	+2.6% base speed · -1.6% HP drain	16,980	212
+7	+2.7% base speed · -1.7% HP drain	18,501	273
+8	+2.8% base speed · -1.8% HP drain	20,178	340
+9	+3% base speed · -2% HP drain	22,011	414

Extracting this Treasure returns Magic Powder. The amount is fixed per Treasure and upgrade level — it does not depend on which ingredients were used to evolve it.

After about ten thousand kilometers, it's probably time to swap in a fresh piece of bubble gum.