Comparing GLP-1 Agonists to Longevity Candidates

A Dutch angle of a woman in a resting stance of a push up, with a face filled with determination as she prepares for the next rep.

Here’s what we’ll cover in this blog post:

  • Understanding GLP-1 medications
  • Comparing GLP-1s to other longevity candidates
  • How each impacts the Hallmarks of Aging

What if the goal of healthcare was to live healthier for longer, rather than simply living longer? 

Expanding the boundaries of a lifespan is an enthralling concept. However, the more important aspect of aging is healthspan, which is the years we live without suffering from illness. There are now scientific breakthroughs that have shifted the focus on this aspect instead.

One such promising solution involves the use of GLP-1 receptor agonists in diabetes and weight loss management programs. 

One intriguing fact is that these medications may also slow down bodily aging. With that being said, could GLP-1 agonists be with us in the future in efforts to promote longevity and become leaders in the weight loss industry?

Other common, well-established alternatives include Metformin, Low Dose Naltrexone, Rapamycin, B12, and NAD+ injections. But how do each of these options compare, and which is best for longevity?

Understanding GLP-1 Receptor Agonists

GLP-1 receptor agonists, more commonly known as glucagon-like peptide-1 receptor agonists, are FDA-approved medications for diabetes, but they’ve become msot popular for their significant weight loss benefits. . GLP-1 medications mimic the natural GLP-1 hormone GLP-1, a hormone to reduce blood glucose levels and control appetite. 

To achieve these benefits, GLP-1  drugs inhibit glucagon release while stimulating insulin secretion through GLP-1 receptors activated in the pancreas. This also delays gastric emptying, which reduces the increase of blood sugar levels after meals. The combination of these effects not only enhances metabolic health, but also helps manage body weight, which is an important aspect in the prevention of age-related disease.

However, their increased use and efficacy portray phenomenal potential in improving lifespan as well as healthspan. The clinical trial PLOS ONE concluded that GLP-1 receptor agonists could decrease the rate of major adverse cardiovascular events. 

Another recent study in Frontiers in Neuroscience hinted that GLP-1s  might address chronic low-grade inflammation, a dominant feature in aging, by providing better balance in the metabolism of energy at the cellular level.

For most individuals, GLP-1 medications reduce the risk of metabolic syndrome, fatty liver conditions, and insulin resistance—key elements that instantaneously lead to early aging and lessen a healthy life span.

GLP-1 receptor agonists may also have a neuroprotective effect. Preliminary research shows that better glucose metabolism and decreased inflammation can lower the risk of neurodegenerative diseases such as Alzheimer’s disease. These results suggest that GLP-1 receptor agonists may be useful in not only increasing lifespan, but also increasing healthspan.

Metformin

Metformin is another medication that has been in use for decades for the management of type 2 diabetes. At the most basic level, it functions by enhancing insulin responsiveness, minimizing glucose generation in the liver, and stimulating glucose uptake from the circulatory system.

Outside the management of diabetes, Metformin has recently captured public interest in terms of its anti-aging benefits. Available evidence suggests that it functions by limiting oxidative stress, which is one of the leading causes of cellular injury and general aging. This enhancement in Metformin could lower the aging rate biologically.

With respect to cellular well-being, Metformin also has a role in boosting mitochondrial function, which is important for the energy required within the cells. Studies show that Metformin may encourage enzymes such as AMPK, which are crucial to the maintenance of energy homeostasis at a cellular level, thus enhancing cell life.

Metformin vs. GLP-1 Agonists

Although both Metformin and GLP-1 Agonists are related to addressing the metabolic components, their mechanisms of action are different. Metformin activates glucose and mitochondrial metabolism while GLP-1 agonist tend to lower blood sugar levels through  incretin hormones by slowing down gastric emptying.

Both Metformin and GLP-1s may lower inflammation, reduce blood sugar, and even support weight management.However, GLP-1 may not activate AMPK is so critical in the repair of cells and lifespan evolution, and these are some of the achieved outcomes with metformin.

It seems very likely that both metformin and GLP-1 agonists have maximum health span potential when utilized separately due to their diverging mechanisms. However, they may operate better in synergy. GLP-1 agonists, for instance, have the ability to improve multiple metabolic and neurologic functions, while metformin increases oxidative stress.

A 2019 study performed on animal models reported Metformin and GLP-1 in combination showed increased mitochondrial efficiency which resulted in a longer life expectancy. Diabetes care noticed a correlation between GLP-1, and cardiovascular enhancements, offering greater lifespan and healthspan to go with it.

While Metformin continues to be the mainstay in metabolic health and longevity medicine, there are considerable benefits of GLP-1 agonists. Combined they may offer a newer paradigm of not just increasing life expectancy but the number of years with better than good health.

Low Dose Naltrexone (LDN)

Low Dose Naltrexone (LDN) is a metered dose of Naltrexone that has anti-inflammatory properties. In low doses, Naltrexone has anti-inflammatory properties that alter the immune system. That’s why many prescribers recommend LDN to treat autoimmune diseases and chronic pain conditions.

Because of its anti-inflammatory properties, LDN has great potential for longevity. Inflammation is a pathological characteristic of aging. By inhibiting microglia, LDN can inhibit the release of pro-inflammatory cytokines. 

Perhaps this is key in limiting the pathological inflammatory components associated with aging and aging itself.

LDN vs. GLP-1 Agonists

LDN and GLP-1 agonists are all suggested to increase healthspan, but have distinct ways of achieving this. LDN specifically targets inflammation and immune modulation, while GLP-1 agonists enhance metabolic control, but also have anti-inflammatory properties.

GLP-1 agonists can improve  cardiovascular health and decrease body weight, which can extend one’s healthspan. But LDN doesn’t have these same metabolic and cardiovascular benefits.

Research specifically featured in Clinical Rheumatology has suggested that LDN is great for suppressing symptoms of fibromyalgia, indicating its potential use in reducing inflammation and pain. On the other hand, GLP-1 agonists have been associated with better control of blood glucose levels alongside being beneficial for weight management, ensuring better metabolic health overall.

LDN has great potential for long-term research structured around its immune-regulating and anti-inflammation characteristics. When compared with LDN, GLP-1 agonists present a distinct mechanism of action with potential synergistic effects onhealthspan extension.

Rapamycin

Rapamycin is an antifungal macrolide that works by interacting with the mechanistic target of rapamycin (mTOR). mTOR kinase is a central regulatory protein that integrates various signals for cell growth and metabolism. By inhibiting mTOR, Rapamycin can inhibit cellular processes that contribute to aging.

Autophagy is the procedure through which cells purge damaged elements, and one Rapamycin autophagy stimulating effect is the promotion of this process. Autophagy helps in cellular maintenance, thereby delaying age-associated diseases. 

Rapamycin vs. GLP-1 Agonists

Rapamycin and GLP-1 have hugely differing mechanisms of actions and longevity benefits. Autophagy promotion through mTOR inhibition is what rapamycin does, while metabolic health improvement and inflammation reduction are primarily what GLP-1 agonists do.

There is preclinical evidence for rapamycin longevity promotion and this result lies in the modulation approach towards cellular pathways. Cardiovascular health, as well as glycemic control, are factors that are highly likely to extend health span and these are some of the effects that GLP-1 agonists could deliver.

Vitamin B12 Injections

Vitamin B12, or cobalamin, is pivotal for energy metabolism. It works with other enzymes to turn carbohydrates into glucose, enabling energy synthesis in the body. A lack of B12 could result in weakness and fatigue.

Apart from energy, B12 plays a central role in cognitive function. Patients with adequate B12 levels are able to perform their memory, concentration, and mental clarity tasks without any hindrances. If not enough is consumed, mood disturbances and a decrease in cognitive abilities might be faced.

Vitamin B12 vs. GLP-1 Agonists

Vitamin B12 injections serve as energy boosters and promote brain health, while GLP-1 agonists have much more to offer. GLP-1s improve metabolic health and weight control and may be effective against inflammation. The cumulative result improves healthspan.

Additionally, there is emerging evidence that supports the use of GLP-1 agonists for neuroprotection. Research indicates that they may protect against various degenerative neuron disorders, which could be an adjunct cognitive benefit for people using B12.

Vitamin B12 injections have been useful in correcting specific deficiencies and in boosting energy and cognition, while GLP-1 agonists appear to have a much broader effect on healthspan extension via their diverse metabolic and neuroprotective attributes.

NAD+ Injections

Nicotinamide adenine dinucleotide (NAD+) is an important coenzyme in the cell’s metabolic pathways. It ensures that nutrients taken from the environment are converted to ATP, the energy currency of the cell. It is necessary to sustain the normal range of NAD+ for effective metabolic activities.

In addition to energy metabolism, NAD+ assists in the restoration of DNA damage. In this role, it acts as a substrate for enzymes, including PARPs, that are responsible for identifying damage in the DNA and correcting such defects in the strands. This is one of the safeguards that are set in place to retain the integrity of the genome by minimizing the mutation processes that are significant aging factors.

NAD+ also improves the mitochondrial function,  as well. Facilitating mitochondrial function reduces oxidative stress levels and promotes healthy cell function. Thus, the restoration of tissue function and health is ensured.

NAD+ vs. GLP-1 Agonists

NAD+ injections may be helpful in increasing cellular energy and repair, but GLP-1 agonists may offer increased healthspan benefits. They improve metabolic health as well as obesity and reduction of systemic inflammatory states. All these effects improve well-being and longevity in general.

Tying It All Together: The Hallmarks of Longevity

The Hallmarks of Aging explain the biological aspects that lead to aging. It encompasses genomic instability, mitochondrial dysfunction, cellular senescence, deregulated nutrient sensing, and mechanisms that cause age-related deterioration.

These treatments target different hallmarks: GLP-1 agonists potentially improve metabolic health and reduce inflammation, which might affect nutrient sensing and cellular senescence. 

Mitochondrial function is augmented alongside the reduction of oxidative stress in cells by metformin as it activates AMPK. 

The decrease of cellular and tissue colonies in states of quiescence is addressed by rapamycin through autophagy.

LDN (Low Dose Naltrexone) controls immune response, which can mitigate inflammation and aid tissue repair. Mitochondrial dysfunction and DNA repair neoplastic instability are inhibited by NAD+ injections, suppressing triad genomics. The B12 deficiency encourages cellular loss but preserves energy metabolism.

GLP-1 agonists and other metabolism-based antiaging interventions like NAD+ or Metformin might more appropriately serve the diverse hallmarks of aging, as they have synergistic effects.

Integrating various therapies, and potentially combining GLP-1 agonists, Metformin, Rapamycin, or NAD+ injections, is a beneficial approach to healthspan extension. Targeting several aging mechanisms simultaneously improves metabolism, cellular, and cognitive function, leading to longer, happier, and healthier lifespans.

If you’re not sure where to start, get started with a longevity consultation to see what’s right for you and your health goals. With the right guidance and expert support, you can remove the guesswork and start adding extra healthy years to your life.


Note: The above statements haven’t been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.