Prolon L-Protein Bar Sets New Standard for Clean, Age-Supportive Nutrition
L-Nutra, a global leader in nutrition technology and longevity science, is once again redefining what precision nutrition can do with the launch of the Prolon® L-Protein Bar — a clean, plant-based bar scientifically formulated to provide the perfect balance of amino acids from plant-based sources to support both muscle health and healthy aging, not just workouts.
Most protein products today are focused on quantity — more grams, more calories, more bulk. But emerging longevity science shows that too much of the wrong kind of protein can accelerate aging by overstimulating key growth pathways like IGF-1 and mTOR. On the other hand, too little protein — especially in strict vegan diets — may fail to adequately support muscle maintenance and overall strength.
Achieving this balance is critical: while excessive protein, particularly from animal sources, may overstimulate pro-aging pathways, too little protein can undermine strength, energy, and overall resilience. The L-Protein Bar is carefully designed to navigate this middle path — delivering the right nutrients, in the right amounts, from the right sources. Now part of the Prolon suite of clinically informed nutrition tools, the L-Protein Bar continues L-Nutra's mission to create smarter everyday nutrition solutions rooted in more than two decades of research.
'If you want to live a long and healthy life, you need to slow the rate of aging every day — and that starts with what you eat,' says Dr. Joseph Antoun, a Harvard- and Johns Hopkins-trained physician and CEO of L-Nutra. 'Protein can accelerate aging if you're choosing the wrong types or the wrong amounts. Our novel L-Protein Bar, rooted in more than 25 years of longevity science, strikes the optimal balance: enough to support muscle strength, but not so much that it speeds up the aging process. And unlike most protein products, there are no hidden ingredients. We pride ourselves on quality ingredients and transparency in how we make our products.'
A Protein Bar Built for the Future of Health
Formulated by scientists at the USC Longevity Institute, the Prolon L-Protein Bar includes a diverse blend of plant-based proteins (from black beans, chickpeas, and peas) and is fortified with L-methionine, an essential amino acid typically low or missing in vegan diets and other vegan protein supplements. This targeted formulation is designed to maintain a balanced growth factor response while delivering complete protein support for muscle and tissue health.
Each bar contains 14 grams of protein, only 170 calories, and is made without added sugars, sugar alcohols, or artificial sweeteners. Instead, it's naturally sweetened with whole dates for a rich flavor and more balanced glycemic response.
How Our Protein Bar Redefines the Standard
The bar launches in its first flavor, Chocolate Coated, featuring a 100% dark chocolate layer and a rich, satisfying taste. Additional flavors are planned as part of Prolon's expanding Longevity Nutrition platform — a product suite designed to help people integrate clinically-backed, health-supportive nutrition into daily life.
The Prolon L-Protein Bar is now available for purchase at ProlonLife.com.
About L-Nutra
L-Nutra is the global leader in nutri-technology, advancing the discovery, design, and delivery of clinically tested Nutrition for Longevity and Nutrition as Medicine programs. With over 134 issued patents and more than 47 published clinical studies in collaboration with 18 leading universities, L-Nutra's innovations harness the power of plant-based nutrition to support healthy aging, metabolic reset, and cellular rejuvenation.
Through its consumer division, Prolon, L-Nutra offers a suite of fasting and longevity-focused products designed to reduce biological age and support whole-body wellness. Its medical division, L-Nutra Health, delivers clinically backed programs aimed at supporting the remission and regression of chronic conditions like type 2 diabetes and metabolic conditions through food-led, lifestyle medicine interventions. Together, these branches reflect L-Nutra's mission to transform what's possible through nutrition and longevity science.
To learn more, visit l-nutra.com.
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Melanie Murphy Richter
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SOURCE: L-Nutra
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