The science of functional beverages

The Science Behind Functional Beverages: Understanding Formulation Philosophy

Functional beverages represent a convergence of nutrition science, neuroscience, and biochemistry.

Reviewed by our Science Advisory Board

Overview

Key Points

• Functional beverages work through multiple biochemical pathways including neurotransmitter support, cellular energy production, and neuroprotection
• The blood-brain barrier presents unique formulation challenges requiring specific nutrient forms
• The gut-brain axis means digestive health significantly influences cognitive function

Functional beverages represent a convergence of nutrition science, neuroscience, and biochemistry. Understanding how these formulations work requires grasping the fundamental mechanisms by which nutrients affect brain and body function.

The Evolution of Cognitive Nutrition

For decades, we've understood that what we eat affects how we feel. We know that proper nutrition supports physical health, and researchers have documented how specific nutrients influence everything from cardiovascular function to immune response. But only recently have we begun to understand the intricate mechanisms by which nutritional compounds directly influence cognitive function, mental clarity, and sustained energy throughout the day. Therefore, a new category of nutrition has emerged—one focused specifically on optimizing brain performance through targeted nutritional support.

The term "nootropics" comes from the Greek words "noos" (mind) and "trepein" (to bend or turn), coined in 1972 by Dr. Corneliu E. Giurgea.¹ His pioneering work established specific criteria for what constitutes a true cognitive enhancer: substances that improve mental processes while protecting the brain from damage, all with minimal side effects.

The Biochemical Foundation

At the cellular level, functional beverages work through several interconnected pathways. The brain operates as an incredibly energy-intensive organ, consuming roughly 20% of the body's total energy despite representing only 2% of body weight.² This enormous energy demand means that even small disruptions in nutrient delivery or cellular metabolism can significantly impact cognitive performance.

Dr. Jenny Brockis, in her research on brain fitness, emphasizes that "the brain's performance depends not just on genes, but on how you live your life."³ This includes the consistent supply of specific nutrients that support neurotransmitter production, cellular energy generation, and protection against oxidative stress.

Neurotransmitter Support

Cognitive function relies heavily on neurotransmitters—chemical messengers that allow neurons to communicate. Acetylcholine, often called "the learning neurotransmitter," plays essential roles in memory formation, learning capacity, and attention.⁴ Substances like Alpha GPC work by increasing acetylcholine levels in the brain, supporting the communication networks essential for cognitive processing.

The cholinergic system (acetylcholine-based signaling) is particularly important for several cognitive functions. Research demonstrates that acetylcholine influences learning, memory, decision-making, focus, and sensory perception.⁵ When properly supported, these systems function optimally; when depleted, cognitive performance suffers noticeably.

Energy Production at the Cellular Level

Beyond neurotransmitter systems, cellular energy production drives cognitive performance. Brain cells contain mitochondria—tiny energy generators that convert nutrients into usable cellular fuel. As biochemist Bruce Ames discovered, aging reduces the production of certain energy-supporting compounds by up to 50%.⁶

This energy deficit manifests as the familiar "mental fog" or afternoon cognitive slump many people experience. Supporting mitochondrial function through specific nutrients helps maintain consistent mental energy throughout the day, rather than experiencing peaks and crashes.

The Blood-Brain Barrier Challenge

One critical factor in functional beverage formulation involves the blood-brain barrier—a selective filter that protects the brain from potentially harmful substances. Only specific molecules can cross this barrier to reach brain tissue.⁷

This creates a significant formulation challenge: many beneficial compounds cannot reach the brain despite being consumed. Effective formulations must include nutrients that can successfully cross the blood-brain barrier in their active form, or include precursors that the body can convert into brain-accessible forms.

The Gut-Brain Connection

Recent research has revolutionized our understanding of how nutrition affects cognition by revealing the profound influence of gut health on brain function. The gut-brain axis—a bidirectional communication system between the digestive system and the central nervous system—plays a crucial role in cognitive performance.⁸

As health researcher Kale Brock explains, "The gut is like the body's central dashboard. It has connections to all the different parts of the body and can send signals to and fro. Those signals can either be health-promoting or disease-promoting."⁹ This understanding has significant implications for functional beverage design, as supporting gut health directly influences cognitive function.

The microbiome—the trillions of microorganisms living in our digestive system—produces neurotransmitters, influences inflammation levels, and affects nutrient absorption. A well-formulated functional beverage considers not just direct brain nutrition, but also gut health support.

Synergistic Formulation

Perhaps the most important principle in functional beverage science is synergy—the concept that certain nutrients work better together than alone. Nootropic researcher Mike Mwape notes that "nootropics can be 'stacked' together to improve results."¹⁰

For example, choline sources work particularly well when combined with racetams, a class of cognitive enhancers. The racetams increase synaptic activity related to acetylcholine, while choline sources provide the raw material for acetylcholine production.¹¹ Neither works optimally alone, but together they create a synergistic effect greater than the sum of their parts.

"Future Brain: The 12 Keys to Create Your High-Performance Brain"

Beyond Stimulation: Comprehensive Support

A common misconception equates functional beverages with simple stimulants like caffeine. While stimulation may be one component, truly effective formulations provide comprehensive support through multiple mechanisms:

Neuroprotection: Antioxidants like those found in Cat's Claw protect brain cells from oxidative damage that accumulates over time.¹²

Adaptogenic Support: Compounds like Bacopa monnieri help the body manage stress while maintaining cognitive performance, providing "focused calm" rather than jittery stimulation.¹³

Blood Flow Enhancement: Ingredients supporting cerebral blood flow ensure optimal oxygen and nutrient delivery to brain tissue.¹⁴

Anti-Inflammatory Action: Managing inflammation helps maintain healthy brain function and protects against long-term cognitive decline.¹⁵

The Long-Term Perspective

Unlike simple stimulants that provide temporary boosts followed by crashes, well-designed functional beverages support both immediate performance and long-term brain health. Research suggests that consistent use of certain nootropic compounds may offer neuroprotective benefits, potentially reducing the risk of age-related cognitive decline.¹⁶

Dr. Brockis emphasizes this dual benefit: "We need to absolutely respect and honor our bodies by putting in the smartest, most colorful and beautiful fuel we have access to."¹⁷ This philosophy applies particularly to brain nutrition, where the compounds we consume today influence not just today's performance, but brain health decades into the future.

Key Points

Notes

¹ Mike Mwape, Introduction to Nootropics, p. 5 (term origin and Dr. Giurgea's criteria) ² Jenny Brockis, Future Brain, introduction (brain energy consumption statistics) ³ Jenny Brockis, Future Brain, Chapter 1 (lifestyle influence on brain function) ⁴ Mike Mwape, Introduction to Nootropics, p. 7 (Alpha GPC and acetylcholine function) ⁵ Mike Mwape, Introduction to Nootropics, p. 28 (acetylcholine roles in cognition) ⁶ Mike Mwape, Introduction to Nootropics, p. 10 (Bruce Ames research on ALCAR and aging) ⁷ Mike Mwape, Introduction to Nootropics, p. 10 (alpha lipoic acid crossing blood-brain barrier) ⁸ Kale Brock, The Gut Healing Protocol, Chapter 1 (gut-brain connection overview) ⁹ Kale Brock, The Gut Healing Protocol, p. 11 (gut as central dashboard quote) ¹⁰ Mike Mwape, Introduction to Nootropics, p. 11 (stacking nootropics) ¹¹ Mike Mwape, Introduction to Nootropics, p. 28 (choline and racetam synergy) ¹² Mike Mwape, Introduction to Nootropics, p. 8 (Cat's Claw neuroprotective benefits) ¹³ Mike Mwape, Introduction to Nootropics, p. 8 (Bacopa monnieri effects) ¹⁴ Mike Mwape, Introduction to Nootropics, p. 5 (blood vessel widening and brain function) ¹⁵ Kale Brock, The Gut Healing Protocol, Chapter 3 (inflammation and health) ¹⁶ Mike Mwape, Introduction to Nootropics, p. 13 (nootropics and Alzheimer's research) ¹⁷ Jenny Brockis, Future Brain, Chapter 1 (respecting the body through nutrition)

Bibliography

  1. Brockis, Jenny. Future Brain: The 12 Keys to Create Your High-Performance Brain. John Wiley & Sons Australia, 2016.
  2. Brock, Kale. The Gut Healing Protocol: An 8-Week, Holistic Program for Rebalancing Your Microbiome. Primal Blueprint Publishing, 2018.
  3. Mwape, Mike. Introduction to Nootropics. Edited by Desmond Gahan, 2015.