Which Glutathione fill has the lowest price per mg at Webb Peptides?

Glutathione 1500 mg, at $0.0057 per mg ($86.00 for 15,000 mg (15 g)).

How much does the largest Glutathione box hold?

Glutathione 1500 mg: 10 × 1,500 mg vials make 15,000 mg (15 g), for $86.00.

Does a bigger Glutathione 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

Glutathione price per mg

Webb Peptides lists Glutathione in 2 vial fills, from 600 mg to 1,500 mg, each sold by the box of 10 vials. Per mg, the Glutathione 1500 mg box is the lowest at $0.0057 per mg. Every figure below comes from the live listings.

Glutathione fills compared
Listing	Fill	Box contents	Box price	Per vial	Per mg	Against the lowest
Glutathione 600 mg	600 mg	6,000 mg (6 g)	$54.00	$5.40	$0.0090	+57%
Glutathione 1500 mg	1,500 mg	15,000 mg (15 g)	$86.00	$8.60	$0.0057	lowest

Step by step up the ladder

600 mg → 1,500 mg: 2.5 times the contents for $32.00 more a box; per mg the price falls by 36%.

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
Glutathione 600 mg	$0.024	$0.013
Glutathione 1500 mg	$0.012	$0.0072

The arithmetic is in the note on landed cost.

Answers from these figures

Which Glutathione fill has the lowest price per mg at Webb Peptides?: Glutathione 1500 mg, at $0.0057 per mg ($86.00 for 15,000 mg (15 g)).
How much does the largest Glutathione box hold?: Glutathione 1500 mg: 10 × 1,500 mg vials make 15,000 mg (15 g), for $86.00.
Does a bigger Glutathione 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.