Which FOXO4-DRI fill has the lowest price per mg at Webb Peptides?

FOXO4-DRI 10 mg, at $5.38 per mg ($538.00 for 100 mg).

How much does the largest FOXO4-DRI box hold?

FOXO4-DRI 10 mg: 10 × 10 mg vials make 100 mg, for $538.00.

Does a bigger FOXO4-DRI fill always cost less per mg?

At Webb Peptides, yes for every step of this ladder: each larger fill works out lower per mg than the one below it.

Price per mg

FOXO4-DRI price per mg

Webb Peptides lists FOXO4-DRI in 2 vial fills, from 2 mg to 10 mg, each sold by the box of 10 vials. Per mg, the FOXO4-DRI 10 mg box is the lowest at $5.38 per mg. Every figure below comes from the live listings.

FOXO4-DRI fills compared
Listing	Fill	Box contents	Box price	Per vial	Per mg	Against the lowest
FOXO4-DRI 2 mg	2 mg	20 mg	$150.00	$15.00	$7.50	+39%
FOXO4-DRI 10 mg	10 mg	100 mg	$538.00	$53.80	$5.38	lowest

Step by step up the ladder

2 mg → 10 mg: 5 times the contents for $388.00 more a box; per mg the price falls by 28%.

With shipping added

Shipping is $90.00 for up to 4 boxes in one order, so its share of each box depends on the order size. Per mg including that share:

Listing	1 box alone	4 boxes in the order
FOXO4-DRI 2 mg	$12.00	$8.63
FOXO4-DRI 10 mg	$6.28	$5.61

The arithmetic is in the note on landed cost.

Answers from these figures

Which FOXO4-DRI fill has the lowest price per mg at Webb Peptides?: FOXO4-DRI 10 mg, at $5.38 per mg ($538.00 for 100 mg).
How much does the largest FOXO4-DRI box hold?: FOXO4-DRI 10 mg: 10 × 10 mg vials make 100 mg, for $538.00.
Does a bigger FOXO4-DRI fill always cost less per mg?: At Webb Peptides, yes for every step of this ladder: each larger fill works out lower per mg than the one below it.

Webb Peptides supplies materials for in-vitro laboratory research only, not for human or veterinary use and not for diagnostic or therapeutic use. Webb sells nothing intended to be consumed.