Not surprised vc is cheaper, there are a tad more ingredients in Fuel,

According to the manufactorer, the vc (ascorbic acid) comes from the chlorella algea they add to the following...
[TABLE="class: ga"]
[TR]
[TH]Minerals[/TH]
[TH][/TH]
[/TR]
[TR]
[TD]Boron[/TD]
[TD="class: right"]96 µg[/TD]
[/TR]
[TR]
[TD]Iodine[/TD]
[TD="class: right"]180 µg[/TD]
[/TR]
[TR]
[TD]Iron[/TD]
[TD="class: right"]15 µg[/TD]
[/TR]
[TR]
[TD]Copper[/TD]
[TD="class: right"]1 µg[/TD]
[/TR]
[TR]
[TD]Zinc[/TD]
[TD="class: right"]5 µg[/TD]
[/TR]
[TR]
[TD]Manganese[/TD]
[TD="class: right"]62 µg[/TD]
[/TR]
[TR]
[TD]Bromide[/TD]
[TD="class: right"]300 µg[/TD]
[/TR]
[TR]
[TD]Cobalt[/TD]
[TD="class: right"]4 µg[/TD]
[/TR]
[TR]
[TD]Molybdenum[/TD]
[TD="class: right"]15 µg[/TD]
[/TR]
[TR]
[TD]Vanadium[/TD]
[TD="class: right"]28 µg[/TD]
[/TR]
[TR]
[TD]Nickel[/TD]
[TD="class: right"]0.4 µg[/TD]
[/TR]
[TR]
[TD]Tin[/TD]
[TD="class: right"]0.2 µg[/TD]
[/TR]
[TR]
[TD]Rubidium[/TD]
[TD="class: right"]1 µg[/TD]
[/TR]
[/TABLE]
[TABLE="class: ga"]
[TR]
[TH]Vitamins a Lipotropic Factors[/TH]
[TH][/TH]
[/TR]
[TR]
[TD]Ascorbic Acid (Vitamin C)[/TD]
[TD="class: right"]5.0 mg[/TD]
[/TR]
[TR]
[TD]Thiamine (B[SUB]
1[/SUB])[/TD]
[TD="class: right"]20 µg[/TD]
[/TR]
[TR]
[TD]Riboflavin (B[SUB]
2[/SUB])[/TD]
[TD="class: right"]20 µg[/TD]
[/TR]
[TR]
[TD]Niacin (B[SUB]
3[/SUB])[/TD]
[TD="class: right"]250 µg[/TD]
[/TR]
[TR]
[TD]Choline (B[SUB]
4[/SUB])[/TD]
[TD="class: right"]4 µg[/TD]
[/TR]
[TR]
[TD]Vitamin B[SUB]
12[/SUB][/TD]
[TD="class: right"]120.8 µg[/TD]
[/TR]
[TR]
[TD]Inositol[/TD]
[TD="class: right"]11 µg[/TD]
[/TR]
[TR]
[TD]Arginine[/TD]
[TD="class: right"]300 µg[/TD]
[/TR]
[TR]
[TD]Glutamate[/TD]
[TD="class: right"]600 µg[/TD]
[/TR]
[TR]
[TD]Lysine[/TD]
[TD="class: right"]300 µg[/TD]
[/TR]
[TR]
[TD]Tyrosine[/TD]
[TD="class: right"]190 µg[/TD]
[/TR]
[TR]
[TD]Polyunsaturated Fatty Acids[/TD]
[TD="class: right"]600 µg[/TD]
[/TR]
[/TABLE]