Buyer's guide · November 2026 · 224 suppliers · United States · page 3 of 8

Compare TB-500 suppliers in the US

Suppliers 61 to 90 of 218 with TB-500 on sale based in the US, in PepFinder Score order. Back to the first page for the price range, market history and questions.

Prices checked 6 Nov 2026 · 430 listings · 403 confirmed in stock · 24 out of stock · Thymic peptides

TB-500 · listed price per mg

USD · single vials · 159 suppliersmedian US$7.70/mg

US$2.25/mgUS$28.75/mg

Multi-vial packs: US$1.10/mg to US$14.90/mg, median US$4.50/mg (55 listings), shown separately.

Each currency is shown separately; prices are never converted. Packs of several vials are compared per mg of the whole pack, apart from single vials.

Sort byVial sizeForm Confirmed in stock only Include out of stock Test certificate on file

Suppliers 61–90 of 218 with listings on sale (6 more with everything out of stock) · prices in USD only, never converted

61
Leo Research
US based
Third-party testing statedCOA page linked, not reviewed
49 products tracked · Delivery Please allow 48 hours for final delivery resolution. · Ships to 1 country
Pays byCard
6.9/ 10PepFinder Score
Visit store View review
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From US$6.50/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 5 mg US$50.00 US$10.00/mg In stock On their site ↗
TB-500 10 mg US$65.00 US$6.50/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
62
NEXAPH
US based
Third-party testing stated
43 products tracked · Ships to 2 countries
Pays byCard
3.9 Trustpilot(73)
6.9/ 10PepFinder Score
Visit store View review
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Listing as named Size Price Per mg Stock
TB4 10mg (10 vials/Kit) 10mg
Kit
US$251.00 — In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
63
Nootropic Source
US based
56 products tracked
Pays byCardBank transferCrypto
6.9/ 10PepFinder Score
Visit store View review
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Listing as named Size Price Per mg Stock
TB-500 Peptide As listed US$39.95 — In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Listing as named	Size	Price	Per mg	Stock
TB-500	5 mg	US$50.00	US$10.00/mg	In stock	On their site ↗
TB-500	10 mg	US$65.00	US$6.50/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB4 10mg (10 vials/Kit)	10mg Kit	US$251.00	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500 Peptide	As listed	US$39.95	—	In stock	On their site ↗

Peptide Partners

US based

Third-party testing stated

118 products tracked

6.9/ 10PepFinder Score

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From US$5.80/mg (50 mg vial)

Listing as named	Size	Price	Per mg	Stock
TB-500 (TB4, 10mg vials)	20 mg	US$130.00	US$6.50/mg	In stock	On their site ↗
TB-500 (TB4, 10mg vials)	50 mg	US$290.00	US$5.80/mg	In stock	On their site ↗
TB-500 (TB4, 10mg vials)	100 mg	US$490.00	—	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

65
Xeno
US based
Third-party testing statedCOA page linked, not reviewed
28 products tracked
Pays byCrypto
3.3 Trustpilot(7)
6.9/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$6.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 10 mg US$60.00 US$6.00/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
66
Dynamite Peptides
US based
Third-party testing statedCOA page linked, not reviewed
47 products tracked · Ships to 1 country
5.0(1)
6.8/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
Listing as named Size Price Per mg Stock
Thymosin Beta 4 (TB500) As listed — — In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
67
American Peptides
US based
Third-party testing statedCOA page linked, not reviewed
91 products tracked · Delivery delivered in 2–3 business days · Ships to 1 country
Pays byCardCrypto
3.1 Trustpilot(13)
6.8/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$10.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 10 mg US$100.00 US$10.00/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Listing as named	Size	Price	Per mg	Stock
TB-500	10 mg	US$60.00	US$6.00/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Beta 4 (TB500)	As listed	—	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500	10 mg	US$100.00	US$10.00/mg	In stock	On their site ↗

Atomik Labz

US based

133 products tracked

2.7 Trustpilot(34)

6.8/ 10PepFinder Score

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From US$6.50/mg (10 mg vial)

Listing as named	Size	Price	Per mg	Stock
TB-500	10 mg	US$65.00	US$6.50/mg	In stock	On their site ↗
TB-500	20 mg	US$140.00	US$7.00/mg	In stock	On their site ↗
TB-500 BULK PACK	10 × 10 mg 100 mg in total	US$585.00	US$5.85/mg	In stock	On their site ↗
TB-500 BULK PACK	10 × 20 mg 200 mg in total	US$1,270.00	US$6.35/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

69
Bulk Peptide Wholesale
US based
COA page linked, not reviewed
82 products tracked
6.8/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$2.00/mg (pack of 10 × 10 mg)
Listing as named Size Price Per mg Stock
TB-500 10MG (10 vials) 10 × 10 mg
100 mg in total
US$200.00 US$2.00/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Listing as named	Size	Price	Per mg	Stock
TB-500 10MG (10 vials)	10 × 10 mg 100 mg in total	US$200.00	US$2.00/mg	In stock	On their site ↗

Cenexa Labs

US based

Third-party testing stated

93 products tracked

Pays byCardCrypto

6.8/ 10PepFinder Score

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From US$8.50/mg (10 mg vial)

Listing as named	Size	Price	Per mg	Stock
TB-500	5 mg	US$59.99	US$12.00/mg	In stock	On their site ↗
Thymosin Beta-4	10 mg	US$149.99	US$15.00/mg	In stock	On their site ↗
TB-500	10 mg	US$84.99	US$8.50/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

71
Element SARMs
US based
21 products tracked · Delivery We do offer an Express option that in most cases take 1 to 2 days for delivery but is not guaranteed due to USPS policy and the current pandemic.
6.8/ 10PepFinder Score
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We may earn a commission. How this works
From US$10.20/mg (5 mg vial)
Listing as named Size Price Per mg Stock
TB-500 5MG 5 mg US$50.99 US$10.20/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
72
Exogen Research
US based
61 products tracked
Pays byCardCrypto
6.8/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$7.50/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 2 mg US$29.99 US$15.00/mg In stock On their site ↗
TB-500 5 mg US$39.99 US$8.00/mg In stock On their site ↗
TB-500 10 mg US$74.99 US$7.50/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
73
Nexus Peptides
US based
Third-party testing statedCOA page linked, not reviewed
24 products tracked · Ships to 36 countries
6.8/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$4.50/mg (pack of 10 × 5 mg)
Listing as named Size Price Per mg Stock
TB-500 10 × 5 mg
50 mg in total
US$224.99 US$4.50/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
74
Panda Peptides
US based
Third-party testing statedCOA page linked, not reviewed
48 products tracked · Ships to 1 country
4.8 Trustpilot(77)
6.8/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$4.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 10 mg US$39.99 US$4.00/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
75
Vertex Labs
US based
Third-party testing statedCOA page linked, not reviewed✓ Verified owner
48 products tracked · Delivery 3 · Ships to 1 country · Est. 2026
Pays byCard
4.2 Trustpilot(24)
6.8/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$8.90/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 5 mg US$49.00 US$9.80/mg In stock On their site ↗
TB-500 10 mg US$89.00 US$8.90/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
76
Ameano Peptides
US based
Third-party testing stated
45 products tracked · Ships to 1 country
6.7/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$7.50/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 (Thymosin Beta-4) 10mg 10 mg US$75.00 US$7.50/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
77
Ascension Peptides
US based
Third-party testing statedCOA page linked, not reviewed
35 products tracked · Delivery For USA deliveries, please allow 2–5 business days after payment is fully processed and released by your bank. · Ships to 1 country
Pays byCard
4.8 Trustpilot(78)
6.7/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$10.80/mg (5 mg vial)
Listing as named Size Price Per mg Stock
TB-500 (5MG) 5 mg US$54.00 US$10.80/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
78
Coastal Peptides
US based
Third-party testing statedCOA page linked, not reviewed
20 products tracked · Ships to 1 country
Pays byCard
6.7/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$3.80/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 10 mg US$38.00 US$3.80/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Listing as named	Size	Price	Per mg	Stock
TB-500 5MG	5 mg	US$50.99	US$10.20/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500	2 mg	US$29.99	US$15.00/mg	In stock	On their site ↗
TB-500	5 mg	US$39.99	US$8.00/mg	In stock	On their site ↗
TB-500	10 mg	US$74.99	US$7.50/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500	10 × 5 mg 50 mg in total	US$224.99	US$4.50/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500	10 mg	US$39.99	US$4.00/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500	5 mg	US$49.00	US$9.80/mg	In stock	On their site ↗
TB-500	10 mg	US$89.00	US$8.90/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500 (Thymosin Beta-4) 10mg	10 mg	US$75.00	US$7.50/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500 (5MG)	5 mg	US$54.00	US$10.80/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500	10 mg	US$38.00	US$3.80/mg	In stock	On their site ↗

Core Peptides

US based

Third-party testing stated

87 products tracked · Ships to 1 country

Pays byCard

6.7/ 10PepFinder Score

Visit store View review

We may earn a commission. How this works

From US$14.00/mg (10 mg vial)

Listing as named	Size	Price	Per mg	Stock
TB-500 (Thymosin Beta 4) – 5MG / 10MG	5 mg	US$78.00	US$15.60/mg	In stock	On their site ↗
TB-500 (Thymosin Beta 4) – 5MG / 10MG	10 mg	US$140.00	US$14.00/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Glacier Aminos

US based

Third-party testing statedCOA page linked, not reviewed

154 products tracked

4.6 Trustpilot(116)

6.7/ 10PepFinder Score

Visit store View review

We may earn a commission. How this works

From US$5.90/mg (10 mg vial)

Listing as named	Size	Price	Per mg	Stock
TB-500 10MG	10 mg	US$58.99	US$5.90/mg	In stock	On their site ↗
TB-500 10MG (5-Pack)	5 × 10 mg 50 mg in total	US$259.56	US$5.19/mg	In stock	On their site ↗
TB-500 10MG (10-Pack)	10 × 10 mg 100 mg in total	US$442.42	US$4.42/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

81
OptimalPep
US based
Third-party testing statedCOA page linked, not reviewed
58 products tracked · Delivery Orders ship via FedEx 2-Day or USPS Priority and usually arrive within 2–3 business days once scanned. · Ships to 36 countries
Pays byCard
6.7/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$6.38/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 – 10MG 10 mg US$63.75 US$6.38/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
82
Orion Peptides
US based
Third-party testing statedCOA page linked, not reviewed
82 products tracked · Ships to 1 country
Pays byCardBank transferCrypto
6.7/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$6.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 – 5mg 5 mg US$56.00 US$11.20/mg In stock On their site ↗
Buy TB-500 – 10mg 10 mg US$60.00 US$6.00/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
83
PeakForm Peptides
US based
Third-party testing statedCOA page linked, not reviewed
51 products tracked · Ships to 1 country
6.7/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$7.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 - 5MG 5 mg US$40.00 US$8.00/mg In stock On their site ↗
TB-500 - 10MG 10 mg US$70.00 US$7.00/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
84
PeptiFy Labs
US based
Third-party testing statedCOA page linked, not reviewed
92 products tracked
Pays byCard
6.7/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$5.00/mg (20 mg vial)
Listing as named Size Price Per mg Stock
TB-500 10 mg US$67.99 US$6.80/mg In stock On their site ↗
TB-500 20 mg US$99.99 US$5.00/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
85
Xtreme Bio Labs
US based
Third-party testing statedCOA page linked, not reviewed
38 products tracked · Ships to 1 country
Pays byCardCrypto
6.7/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
Listing as named Size Price Per mg Stock
TB-500 – Premium Research Peptide As listed US$39.99 — In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
86
Arctic Lab Supply
US based
Third-party testing statedCOA page linked, not reviewed
32 products tracked
Pays byCard
6.6/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$7.60/mg (5 mg vial)
Listing as named Size Price Per mg Stock
TB-500 5mg 5 mg US$37.99 US$7.60/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
87
Blank Peptides
US based
Third-party testing statedCOA page linked, not reviewed
52 products tracked · Ships to 36 countries
Pays byCardBank transferCrypto
6.6/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$6.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TB-500 10 mg US$60.00 US$6.00/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
88
Bulk Peptide Supply
US based
COA page linked, not reviewed
60 products tracked
2.9 Trustpilot(12)
6.6/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$2.75/mg (pack of 10 × 10 mg)
Listing as named Size Price Per mg Stock
TB-500 10 mg (10 vials) 10 × 10 mg
100 mg in total
US$275.00 US$2.75/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Listing as named	Size	Price	Per mg	Stock
TB-500 – 10MG	10 mg	US$63.75	US$6.38/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500 – 5mg	5 mg	US$56.00	US$11.20/mg	In stock	On their site ↗
Buy TB-500 – 10mg	10 mg	US$60.00	US$6.00/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500 - 5MG	5 mg	US$40.00	US$8.00/mg	In stock	On their site ↗
TB-500 - 10MG	10 mg	US$70.00	US$7.00/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500	10 mg	US$67.99	US$6.80/mg	In stock	On their site ↗
TB-500	20 mg	US$99.99	US$5.00/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500 – Premium Research Peptide	As listed	US$39.99	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500 5mg	5 mg	US$37.99	US$7.60/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500	10 mg	US$60.00	US$6.00/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TB-500 10 mg (10 vials)	10 × 10 mg 100 mg in total	US$275.00	US$2.75/mg	In stock	On their site ↗

Eros Peptides

US based

COA page linked, not reviewed

78 products tracked

Pays byCardPayPal

3.9 Trustpilot(16)

6.6/ 10PepFinder Score

Visit store View review

We may earn a commission. How this works

From US$4.00/mg (10 mg vial)

Listing as named	Size	Price	Per mg	Stock
TB-500 5MG	5 mg	US$27.99	US$5.60/mg	In stock	On their site ↗
TB-500 10MG	10 mg	US$49.99	US$5.00/mg	In stock	On their site ↗
TB-500 (Fragment) 10MG	10 mg	US$39.99	US$4.00/mg	In stock	On their site ↗
TB-500 20MG	20 mg	US$89.99	US$4.50/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

90
Essential Aminos
US based
Third-party testing stated
36 products tracked
Pays byCardCrypto
6.6/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
Listing as named Size Price Per mg Stock
TB-500 (TB-4) As listed US$59.00 — In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.