Most peptide discounts fall into two buckets: coupon codes you enter at checkout, and affiliate links that apply a discount (and credit a referrer) automatically. PepsTracker uses both — every result links out with the correct affiliate link and shows the coupon to copy, so you always get the tracked discount.
Usually not with each other — most vendors allow one code per order. But a code often does stack on top of an active site-wide sale or a BOGO promotion, which is where the real savings show up. When a vendor runs a buy-one-get-one deal, the effective cost per milligram can halve on top of your code. PepsTracker reflects BOGO pricing in its $/mg math so the ranking stays honest.
A 50%-off code on a vendor priced at $8.00/mg lands at $4.00/mg. A 15%-off code on a vendor already at $4.00/mg lands at $3.40/mg — cheaper, despite the smaller headline discount. The percentage only matters relative to the starting price. This is exactly why PepsTracker applies each code before sorting by cost per milligram, instead of ranking by the discount size.
Among the 26 vendors PepsTracker tracks, the largest standing discounts include Ascension Peptides (50% off, code pepstracker), Glow Aminos and AtomiK Labz (30% off), and a wide band of 15% codes — including Platinum Peptides at 15% off with pepstracker15. The full, current list lives on the discount codes page and updates as vendors change promotions.
Vendors usually allow one code per order, but a code often stacks on top of a site-wide sale or BOGO promotion. That combination, not two codes, is where the biggest savings come from.
No. The percentage is only meaningful relative to the starting price. A 15% code on a low-priced vendor can beat a 50% code on an expensive one. Compare final cost-per-mg, which PepsTracker does automatically.
It depends on the compound and vendor. The largest standing codes include Ascension (50% off, pepstracker) and several 30% and 15% codes such as Platinum Peptides (pepstracker15). PepsTracker applies them all and ranks by true price.