Which vendors sell KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV) with independent COA testing?

30 vendors in the Merit Verified directory have independent COA evidence on file for KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV) — 101 COAs total. COA coverage and test dates are listed on the KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV) page at https://meritverified.org/peptides/klow-blend.

How do I verify the quality of KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV) from a vendor?

To verify KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV) quality, look for an independent certificate of analysis (COA) from a third-party lab — not a lab the vendor owns or pays directly. The COA should state the tested compound, lot number, purity percentage (identity and concentration), and the lab's name. Cross-reference the lot number against the vendor's current stock. Merit Verified indexes COAs for KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV) at https://meritverified.org/peptides/klow-blend so you can compare evidence across vendors before buying.

What is the regulatory status of KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV)?

KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV) is tracked in the Merit Verified registry. Regulatory status for research peptides in the US has been evolving — the FDA has reclassified a number of peptides out of the 503A compounding ingredient list since 2025. Merit Verified does not provide legal or regulatory advice; check official FDA sources or consult a licensed professional for the current status of KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV) in your jurisdiction.

Healing & Recovery

KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV)

Also known as: KLOW

Pre-mixed four-compound blend adding KPV (the C-terminal tripeptide of α-MSH) to the GLOW stack (GHK-Cu + BPC-157 + TB-500). This blend is not clinically validated; the evidence base is inferred from individual component peptides. No controlled human trial has tested this combination.

Where to buy · live market data

Who's worth your money for KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV)

Every current seller, ranked by independent evidence — Merit Score, latest COA purity, and live $/mg (size-normalized). Prices refresh daily. Rankings are never paid.

Top Merit pick

🇺🇸 Peptide Partners 99

Highest Merit Score (99) of 9 scored sellers

$1.22/mg

$975 · 800mg · 99.9% purity

11 COAs

Buy

Best value

Peptide Supply Co. 83

Lowest $/mg among scored sellers

$0.60/mg

$480 · 800mg

no COAs yet

Buy

Most tested

🇺🇸 Sunrise Bioresearch 88

5 independent COAs on file

$0.92/mg

$73.74 · 80mg · 99.5% purity

5 COAs

Buy

Average price

$3.04/mg

range $0.43–$57.50/mg

Sellers

from $69.95

45-day trend

+35.7%

vs 45-day avg $/mg

51 of 71 sellers have a current price· 39 stale hidden· 3 unverified hidden

	Vendor	Price	$/mg	vs avg	Purity	COAs	Merit
🇺🇸	Peptide Partners via Disclosed Labs · 23h ago	$975· 800mg	$1.22/mg	-60%	99.9%	11	99	Buy
🇺🇸	BioLongevity Labs via Disclosed Labs · 23h ago	$275· 80mg	$3.44/mg	+12.9%	—	—	96	Buy code MERIT · 15% off
🇺🇸	Profound Aminos via Disclosed Labs · 23h ago	$131· 80mg	$1.64/mg	-46.2%	—	1	95	Buy
🇺🇸	Licensed Peptides ✓ verified at source · 23h ago	$1075· 80mg	$13.44/mg	+341.4%	99.8%	1	95	Buy code MERIT · 5% off
🇺🇸	Forge Performance Co. ✓ verified at source · 23h ago	$100· 80mg	$1.25/mg	-58.9%	99.7%	1	94	Buy code MERIT · 10% off
🇺🇸	Sunrise Bioresearch via Disclosed Labs · 23h ago	$73.74· 80mg	$0.92/mg	-69.7%	99.5%	5	88	Buy
🇺🇸	Verified Peptides via Disclosed Labs · 23h ago	$130· 50mg	$2.60/mg	-14.6%	—	4	86	Buy
	Peptide Supply Co. via Disclosed Labs · 23h ago	$480· 800mg	$0.60/mg	-80.3%	—	—	83	Buy
🇺🇸	Ascension Peptides via Disclosed Labs · 23h ago	$125· 80mg	$1.56/mg	-48.7%	—	—	83	Buy affiliate

Top Merit pick

🇺🇸 Peptide Partners
via Disclosed Labs · 23h ago
99

$1.22/mg -60% vs avg

$975

800mg

99.9% purity 11 COAs

Buy
🇺🇸 BioLongevity Labs
via Disclosed Labs · 23h ago
96

$3.44/mg +12.9% vs avg

$275

80mg

no purity

Buy code MERIT · 15% off
🇺🇸 Profound Aminos
via Disclosed Labs · 23h ago
95

$1.64/mg -46.2% vs avg

$131

80mg

no purity 1 COA

Buy
🇺🇸 Licensed Peptides
✓ verified at source · 23h ago
95

$13.44/mg +341.4% vs avg

$1075

80mg

99.8% purity 1 COA

Buy code MERIT · 5% off
🇺🇸 Forge Performance Co.
✓ verified at source · 23h ago
94

$1.25/mg -58.9% vs avg

$100

80mg

99.7% purity 1 COA

Buy code MERIT · 10% off
🇺🇸 Sunrise Bioresearch
via Disclosed Labs · 23h ago
88

$0.92/mg -69.7% vs avg

$73.74

80mg

99.5% purity 5 COAs

Buy
🇺🇸 Verified Peptides
via Disclosed Labs · 23h ago
86

$2.60/mg -14.6% vs avg

$130

50mg

no purity 4 COAs

Buy
Peptide Supply Co.
via Disclosed Labs · 23h ago
83

$0.60/mg -80.3% vs avg

$480

800mg

no purity

Buy
🇺🇸 Ascension Peptides
via Disclosed Labs · 23h ago
83

$1.56/mg -48.7% vs avg

$125

80mg

no purity

Buy affiliate

Prices observed from public storefronts (last 24h), normalized to $/mg. "Evidence" is Merit's 0–100 Merit Score, derived only from observable verification evidence (methodology on /about); "Purity" is the latest independent COA. Some buy links are affiliate links — Merit may earn a commission at no extra cost to you, and where a vendor offers one, the code shown gets you a discount at their checkout. Affiliate status never affects price data, ranking, or the Merit Score (full policy on /disclosure). Research use only.

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Compound reference

About KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV)

CAS

—

Molecular formula

—

Typical dose range

BPC-157: 250–500 mcg/day SubQ; TB-500: 2 mg 2x/week (loading), 2 mg/week (maintenance) SubQ; GHK-Cu: 1–2 mg/day SubQ or topical (alt: 2–4 mg/week); KPV: 200–500 mcg/day SubQ or oral. Typical cycle 4–8 weeks.

Half-life

Component-dependent: BPC-157 ~4–6 h (SubQ, estimated from animal data); TB-500 longer plasma stability, not formally established in humans; GHK-Cu and KPV elimination half-lives not formally established

Independent evidence