Side-by-side comparison

Thymosin Alpha-1 vs BPC-157 — Price & Profile Comparison

Thymosin Alpha-1

Cellular PeptideSafety 8/10

Immune-modulation research

vs

BPC-157

Cellular PeptideSafety 7/10

Tissue repair research

Thymosin Alpha-1

BPC-157

Cheapest price

$37.50 /10mg

$23.84 /10mg

Vendors stocking

25

43

Safety rating

8/10

7/10

Mol. weight

3,108.3 g/mol

1,419.5 g/mol

Administration

Subcutaneous injection

Subcutaneous injection / Intramuscular injection

The short answer

Thymosin Alpha-1 vs BPC-157: which to choose

BPC-157 is the cheaper option — roughly $24 vs $38 for the lowest verified listing. BPC-157 is the more widely stocked of the two (43 vendors vs 25). Thymosin Alpha-1 carries the higher safety rating (8/10 vs 7/10). Both are cellular peptide compounds, so the decision usually comes down to price, evidence, and tolerability rather than use case.

Price Comparison — 2026

Thymosin Alpha-1

VendorPrice

Ascension Peptides$37.50 /10mgBuy →

Optimum Formula$40.49 /10mgBuy →

Hydro Research$52.00 /10mgBuy →

Purity Peptides$54.48 /10mgBuy →

Amino Club$55.99 /10mgBuy →

Glacier Aminos$57.59 /10mgBuy →

+19 more vendors →

BPC-157

VendorPrice

Alpha Peptides$23.84 /10mgBuy →

IDUN Peptides$25.19 /10mgBuy →

Puratek Peptides$26.96 /10mgBuy →

Red River Peptides$29.75 /10mgBuy →

Peptyx Labs$32.00 /10mgBuy →

Promino$32.39 /10mgBuy →

+37 more vendors →

Vendors Carrying Both

23 vendors stock both Thymosin Alpha-1 and BPC-157 — convenient if you want to bundle an order.

Optimum FormulaThymosin Alpha-1: $40.49BPC-157: $34.19Visit →

Ascension PeptidesThymosin Alpha-1: $37.50BPC-157: $35.00Visit →

Woosh LabsThymosin Alpha-1: $89.99BPC-157: $35.99Visit →

Glacier AminosThymosin Alpha-1: $57.59BPC-157: $36.00Visit →

Evolve PeptidesThymosin Alpha-1: $102.00BPC-157: $36.83Visit →

Purity PeptidesThymosin Alpha-1: $54.48BPC-157: $37.83Visit →

Evo Labs ResearchThymosin Alpha-1: $101.98BPC-157: $42.49Visit →

Optima SupplyThymosin Alpha-1: $65.00BPC-157: $50.00Visit →

Pantheon PeptidesThymosin Alpha-1: $97.20BPC-157: $51.84Visit →

Hydro ResearchThymosin Alpha-1: $52.00BPC-157: $52.00Visit →

Amino ClubThymosin Alpha-1: $55.99BPC-157: $55.99Visit →

Polar PeptidesThymosin Alpha-1: $64.79BPC-157: $63.00Visit →

CertaPeptidesThymosin Alpha-1: $99.95BPC-157: $63.56Visit →

SomaChemsThymosin Alpha-1: $79.98BPC-157: $63.98Visit →

Apex Peptide SupplyThymosin Alpha-1: $89.99BPC-157: $68.99Visit →

Pulse PeptidesThymosin Alpha-1: $86.38BPC-157: $75.58Visit →

Liv Pure WellnessThymosin Alpha-1: $110.00BPC-157: $75.99Visit →

Modern AminosThymosin Alpha-1: $88.00BPC-157: $76.00Visit →

Pinnacle Peptide LabsThymosin Alpha-1: $93.49BPC-157: $76.49Visit →

Biotech PeptidesThymosin Alpha-1: $130.00BPC-157: $92.00Visit →

Core PeptidesThymosin Alpha-1: $149.00BPC-157: $97.00Visit →

BioLongevity LabsThymosin Alpha-1: $129.97BPC-157: $99.97Visit →

LeoLab RxThymosin Alpha-1: $120.00BPC-157: $100.00Visit →

Safety Notes

Thymosin Alpha-1

FDA: Approved in 30+ countries

11,000+ patients in 30+ trials; well-tolerated; approved as Zadaxin globally; excellent safety record

BPC-157

FDA: Not FDA-approved (Category 2)

Extensive preclinical safety; 3 small human studies with zero adverse events; naturally derived gastric peptide

Explore Further

Thymosin Alpha-1

Full profile →Cheapest deals →

BPC-157

Full profile →Cheapest deals →

All current deals →Browse all peptides →

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