Buyer's guide · November 2026 · 157 suppliers · United States · page 3 of 5

Compare Thymosin Alpha-1 suppliers in the US

Suppliers 61 to 90 of 149 with Thymosin Alpha-1 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 · 239 listings · 212 confirmed in stock · 24 out of stock · Thymic peptides

Thymosin Alpha-1 · listed price per mg

USD · single vials · 107 suppliersmedian US$8.05/mg

US$3.20/mgUS$45.00/mg

Multi-vial packs: US$1.60/mg to US$11.20/mg, median US$5.76/mg (27 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 149 with listings on sale (8 more with everything out of stock) · prices in USD only, never converted

Glacier Aminos

US based

Third-party testing statedCOA page linked, not reviewed

154 products tracked

4.6 Trustpilot(116)

6.7/ 10PepFinder Score

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From US$6.40/mg (10 mg vial)

Listing as named	Size	Price	Per mg	Stock
THYMOSIN ALPHA 1 10MG	10 mg	US$63.99	US$6.40/mg	In stock	On their site ↗
THYMOSIN ALPHA 1 10MG (5-Pack)	5 × 10 mg 50 mg in total	US$281.56	US$5.63/mg	In stock	On their site ↗
THYMOSIN ALPHA 1 10MG (10-Pack)	10 × 10 mg 100 mg in total	US$479.92	US$4.80/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.

62
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
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From US$10.20/mg (10 mg vial)
Listing as named Size Price Per mg Stock
THYMOSIN ALPHA-1 – 10MG 10 mg US$102.00 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.
63
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
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From US$5.20/mg (5 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 – 5mg 5 mg US$26.00 US$5.20/mg In stock On their site ↗
Thymosin Alpha-1 – 10mg 10 mg US$106.00 US$10.60/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.
64
PeakForm Peptides
US based
Third-party testing statedCOA page linked, not reviewed
51 products tracked · Ships to 1 country
6.7/ 10PepFinder Score
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From US$10.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 - 10MG 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.
65
PeptiFy Labs
US based
Third-party testing statedCOA page linked, not reviewed
92 products tracked
Pays byCard
6.7/ 10PepFinder Score
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From US$10.60/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 10 mg US$105.99 US$10.60/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.
66
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
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Listing as named Size Price Per mg Stock
Thymosin Alpha 1 – 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.
67
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
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We may earn a commission. How this works
From US$7.50/mg (10 mg vial)
Listing as named Size Price Per mg Stock
THYMOSIN ALPHA-1 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.
68
Bulk Peptide Supply
US based
COA page linked, not reviewed
60 products tracked
2.9 Trustpilot(12)
6.6/ 10PepFinder Score
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From US$4.00/mg (pack of 10 × 10 mg)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 10 mg (10 vials) 10 × 10 mg
100 mg in total
US$400.00 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.
69
Eros Peptides
US based
COA page linked, not reviewed
78 products tracked
Pays byCardPayPal
3.9 Trustpilot(16)
6.6/ 10PepFinder Score
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From US$5.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 10MG 10 mg US$49.99 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.
70
Essential Aminos
US based
Third-party testing stated
36 products tracked
Pays byCardCrypto
6.6/ 10PepFinder Score
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Listing as named Size Price Per mg Stock
Thymosin Alpha-1 As listed US$80.00 — 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.
71
EZ Peptides
US based
Third-party testing stated
48 products tracked
6.6/ 10PepFinder Score
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From US$5.80/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha 1 10mg 10 mg US$58.00 US$5.80/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.
72
Peptagon
US based
Third-party testing statedCOA page linked, not reviewed
49 products tracked
6.6/ 10PepFinder Score
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From US$4.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha 1 Research Peptide – 10mg 10 mg US$40.00 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.
73
Peptide Hackers
US based
Third-party testing statedCOA page linked, not reviewed
140 products tracked · Ships to 41 countries
Pays byCryptoPayPal
6.6/ 10PepFinder Score
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Listing as named Size Price Per mg Stock
Thymosin Alpha-1 As listed US$83.00 — 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.
74
RetaOne Labs
US based
Third-party testing statedCOA page linked, not reviewed
28 products tracked
Pays byCard
3.5 Trustpilot(12)
6.6/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$3.20/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 10mg 10 mg US$32.00 US$3.20/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.
75
Glow Lab Protocols
US based
Third-party testing stated
75 products tracked · Delivery Never arrived 14 days after we shipped it (US)? · Ships to 1 country
Pays byPayPal
6.5/ 10PepFinder Score
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From US$8.40/mg (5 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 5 mg 5 mg US$42.00 US$8.40/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
Liberty Peptides
US based
Third-party testing statedCOA page linked, not reviewed
72 products tracked
Pays byCard
6.5/ 10PepFinder Score
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From US$6.80/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 (10mg) 10 mg US$68.00 US$6.80/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.
77
Nationwide Peptides
US based
Third-party testing statedCOA page linked, not reviewed
134 products tracked
Pays byCard
3.8 Trustpilot(2)
6.5/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$8.10/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 Peptide 5 mg US$66.00 US$13.20/mg In stock On their site ↗
Thymosin Alpha-1 Peptide 10 mg US$81.00 US$8.10/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
Northwest Peptides
US based
Third-party testing statedCOA page linked, not reviewed
67 products tracked
Pays byCard
6.5/ 10PepFinder Score
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From US$8.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 10mg 10 mg US$79.99 US$8.00/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.
79
NuRev Peptides
US based
Third-party testing statedCOA page linked, not reviewed
61 products tracked · Ships to 36 countries
4.5 Trustpilot(20)
6.5/ 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
Thymosin Alpha 1 10mg 10 mg US$59.00 US$5.90/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.
80
Pepta Labs
US based
Third-party testing statedCOA page linked, not reviewed
52 products tracked
Pays byCrypto
6.5/ 10PepFinder Score
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We may earn a commission. How this works
From US$5.09/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 10mg 10 mg US$50.86 US$5.09/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
Pharma Grade Peptides
US based
Third-party testing statedCOA page linked, not reviewed
108 products tracked
Pays byCardCrypto
6.5/ 10PepFinder Score
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Listing as named Size Price Per mg Stock
Thymosin Alpha-1 As listed US$77.00 — 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.
82
Protide Health
US based
Third-party testing statedCOA page linked, not reviewed
65 products tracked
Pays byCardCrypto
6.5/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$10.50/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 10mg 10 mg US$105.00 US$10.50/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.
83
Rainbow Peptide
US based
Third-party testing statedCOA page linked, not reviewed
41 products tracked · Delivery Delivery to the UK is overnight and 2–3 day delivery available. · Ships to 7 countries
Pays byCrypto
6.5/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 As listed US$97.44 — 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
Royal Peptides
US based
Third-party testing statedCOA page linked, not reviewed
213 products tracked
Pays byBank transferCrypto
6.5/ 10PepFinder Score
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We may earn a commission. How this works
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 (TA-1) 5 mg US$390.00 — In stock On their site ↗
Thymosin Alpha-1 (TA-1) 10mg-kit-100mg
Kit
US$480.00 — 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.
85
Valor Peptides
US based
COA page linked, not reviewed
49 products tracked · Ships to 1 country
4.1 Trustpilot(33)
6.5/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$5.50/mg (10 mg vial)
Listing as named Size Price Per mg Stock
TA-1 10mg 10 mg US$54.99 US$5.50/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.
86
Vital Core Researcher Access
US based
57 products tracked
6.5/ 10PepFinder Score
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We may earn a commission. How this works
From US$8.10/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 5 mg US$40.99 US$8.20/mg In stock On their site ↗
Thymosin Alpha-1 10 mg US$80.99 US$8.10/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
Cosmic Peptides
US based
Third-party testing statedCOA page linked, not reviewed
29 products tracked
Pays byCard
6.4/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 As listed US$42.99 — 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.
88
Evolve Peptides
US based
Third-party testing statedCOA page linked, not reviewed
77 products tracked
3.8 Trustpilot(39)
6.4/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
From US$9.50/mg (10 mg vial)
Listing as named Size Price Per mg Stock
Thymosin Alpha-1 5 mg 5 mg US$60.00 US$12.00/mg In stock On their site ↗
Thymosin Alpha-1 10 mg 10 mg US$95.00 US$9.50/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.

Listing as named	Size	Price	Per mg	Stock
THYMOSIN ALPHA-1 – 10MG	10 mg	US$102.00	US$10.20/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 – 5mg	5 mg	US$26.00	US$5.20/mg	In stock	On their site ↗
Thymosin Alpha-1 – 10mg	10 mg	US$106.00	US$10.60/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 - 10MG	10 mg	US$100.00	US$10.00/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1	10 mg	US$105.99	US$10.60/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha 1 – Premium Research Peptide	As listed	US$39.99	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
THYMOSIN ALPHA-1	10 mg	US$75.00	US$7.50/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 10 mg (10 vials)	10 × 10 mg 100 mg in total	US$400.00	US$4.00/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 10MG	10 mg	US$49.99	US$5.00/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1	As listed	US$80.00	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha 1 10mg	10 mg	US$58.00	US$5.80/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha 1 Research Peptide – 10mg	10 mg	US$40.00	US$4.00/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1	As listed	US$83.00	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 10mg	10 mg	US$32.00	US$3.20/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 5 mg	5 mg	US$42.00	US$8.40/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 (10mg)	10 mg	US$68.00	US$6.80/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 Peptide	5 mg	US$66.00	US$13.20/mg	In stock	On their site ↗
Thymosin Alpha-1 Peptide	10 mg	US$81.00	US$8.10/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 10mg	10 mg	US$79.99	US$8.00/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha 1 10mg	10 mg	US$59.00	US$5.90/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 10mg	10 mg	US$50.86	US$5.09/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1	As listed	US$77.00	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 10mg	10 mg	US$105.00	US$10.50/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1	As listed	US$97.44	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 (TA-1)	5 mg	US$390.00	—	In stock	On their site ↗
Thymosin Alpha-1 (TA-1)	10mg-kit-100mg Kit	US$480.00	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
TA-1 10mg	10 mg	US$54.99	US$5.50/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1	5 mg	US$40.99	US$8.20/mg	In stock	On their site ↗
Thymosin Alpha-1	10 mg	US$80.99	US$8.10/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1	As listed	US$42.99	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha-1 5 mg	5 mg	US$60.00	US$12.00/mg	In stock	On their site ↗
Thymosin Alpha-1 10 mg	10 mg	US$95.00	US$9.50/mg	In stock	On their site ↗

Genesis Peptides

US based

Third-party testing statedCOA page linked, not reviewed

93 products tracked

6.4/ 10PepFinder Score

Visit store View review

We may earn a commission. How this works

From US$9.40/mg (10 mg vial)

Listing as named	Size	Price	Per mg	Stock
Thymosin Alpha 1, 5mg	5 mg	US$58.00	US$11.60/mg	In stock	On their site ↗
Thymosin Alpha 1, Made in USA - 10mg	10 mg	US$129.00	US$12.90/mg	In stock	On their site ↗
Thymosin Alpha 1, 10mg	10 mg	US$94.00	US$9.40/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
GLP1 Research Lab
US based
Third-party testing statedCOA page linked, not reviewed
17 products tracked · Delivery Domestic (U.S.) delivery typically takes 2–5 business days after processing, depending on FedEx service level and destination.
Pays byCardPayPal
6.4/ 10PepFinder Score
Visit store View review
We may earn a commission. How this works
Listing as named Size Price Per mg Stock
Thymosin Alpha‑1 As listed US$79.90 — 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.