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peptide comparison · longevity × healing & repair

NAD+ vs TB-500

Two compounds, mechanism by mechanism. Where they overlap, where they don't, and which vendors stock each.

§ 01

Mechanism

nad-plus

NAD+

Nicotinamide Adenine DinucleotideNAD

Coenzyme central to redox reactions and energy metabolism in every cell. Levels decline with age, which has driven a research interest in NAD+ supplementation as a longevity intervention.

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vs
tb-500

TB-500

Thymosin Beta-4 fragment

Synthetic fragment of the naturally occurring thymosin beta-4. Researched for cell migration and tissue repair.

Full guide →
§ 02

Key facts

factNAD+TB-500
category
·longevityhealing & repair·
half-life
·Hours; rapidly converted intracellularly—·
research dosing
·Research literature cites 100–500 mg subcutaneous or IV in protocols ranging from single-dose to weekly maintenance.Research literature cites 2–5 mg twice weekly for 4–6 weeks.·
trending
search demand
●70/10068/100○
vendors stocking
○03●
aliases
·Nicotinamide Adenine Dinucleotide · NADThymosin Beta-4 fragment·
§ 03

Use-case overlap

only nad-plus
  • cellular energy
  • mitochondrial function
  • aging research
both

none

only tb-500
  • recovery
  • tissue repair
§ 04

Where to buy

nad-plus
NAD+
0 verified vendors
See all vendors →
tb-500
TB-500
3 verified vendors
Particle PeptidesPure RawzSwiss Chems
See all vendors →
§ 05

Sources

  1. [01]Therapeutic potential of NAD-boosting molecules — The Lancet Healthy Longevity· NAD+
  2. [02]NAD+ in aging, metabolism, and neurodegeneration — Science· NAD+
  3. [03]Thymosin beta 4 and its actin-binding partners· TB-500
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