LeuSynergy™
LeuSynergy™
An exercise and caloric restriction mimetic that works on NAD+ efficiency and sirt1 activation. This low-dose leucine compound is best known for its incredible enhancement of weight loss with GLP 1’s like semaglutide.
LeuSynergy + GLP-1s has become a foundational protocol for weight loss and metabolism optimization.
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Cellular Pathways
Delivering the right dose of Leucine decreases the amount of NAD needed to activate SIRT-1
Leucine at a concentration of 0.5mM was shown to decrease the kM of NAD by 50%.
With Leucine, LESS NAD+ is needed for SIRT-1 functions, improving NAD+ utilization in other cellular pathways.
Why this matters:
SIRT-1 Downstream Effects
Stimulates caloric restriction and exercise pathways through these gene transcription factors:
The core regulator of mitochondrial biogenesis
Regulate fat oxidation
Master regulator of cell energy
Inhibition leads to decreased inflammation and oxidative stress
Clinical Studies
Leucine-Resveratrol Synergy
Human Pre-diabetic
Subjects Randomized:
Leucine 1.1 g + Resveratrol 50mg Twice Daily vs. Placebo
- OGTT and 60 min glucose and insulin concentration
- Reduced insulin resistance by 33%
- Significant improvement and insulin/glucose dynamics
* Lipps J, Hagan S, Clark M, Davis D, Stone L, Survant L, et al.: Resveratrol synergy in pre-diabetes. Diabetes 2013;62: Poster 78-LB
Weight Loss – Fat Oxidation – Insulin Sensitivity

Synergy with GLP-1s
Insulin Independent Pathways for Glucose Disposal
GLP-1
Increase in GLUT4 expression by activating AMPK
SIRT-1
Increase in GLUT4 expression through SIRT1 deacetylation of PGC-1a
Improved Fat Oxidation
GLP-1
Direct effects on hepatocytes by activating genes involved in beta-oxidation of fatty acids
SIRT-1
Activation of PGC-1a and PPAR resulting in an increase in fatty acid oxidation and oxidative phosphorylationn
Oxidative Stress and Pancreatic Beta Cell Protection
GLP-1
Reduced oxidative stress in pancreatic islets. Increases B-cell mass by regulating cell kinetics and suppressing oxidative and ER stress, and amerlioration of glucolipotoxicity.
SIRT-1
SIRT-1 deacetylation and inhibition of NF-kB protecting beta cells from oxidative stress and inflammatory cytokines.
References
- Zemel MB. Modulation of Energy Sensing by Leucine Synergy with Natural Sirtuin Activators: Effects on Health Span. J Med Food. 2020 Nov;23(11):1129-1135. doi: 10.1089/jmf.2020.0105. Epub 2020 Aug 4. PMID: 32758058.
- Ruderman NB, Carling D, Prentki M, Cacicedo JM. AMPK, insulin resistance, and the metabolic syndrome. J Clin Invest. 2013;123(7):2764-2772. doi:10.1172/JCI67227
- Lan F, Weikel KA, Cacicedo JM, Ido Y. Resveratrol-Induced AMP-Activated Protein Kinase Activation Is Cell-Type Dependent: Lessons from Basic Research for Clinical Application. Nutrients. 2017 Jul 14;9(7):751. doi:10.3390/nu9070751. PMID: 28708087; PMCID: PMC5537865.
- Kitada M, Ogura Y, Monno I, Koya D. Sirtuins and Type 2 Diabetes: Role in Inflammation, Oxidative Stress, and Mitochondrial Function. Front Endocrinol (Lausanne). 2019;10:187. Published 2019 Mar 27. doi:10.3389/fen-do.2019.00187
- Iside C, Scafuro M, Nebbioso A, Altucci L. SIRT1 Activation by Natural Phytochemicals: An Overview. Front Pharmacol. 2020;11:1225. Published 2020 Aug 7. doi:10.3389/fphar.2020.012