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PODCAST

Daily Value

William Wallace, Ph.D.

Daily Value is a podcast examining the biological foundations of human function. Hosted by Dr. William Wallace, episodes explore nutrition, supplementation, and related health topics through the lens of biochemistry, physiology, and human evidence

health & fitness alternative health

All Episodes

9:22

Fish Oil, Oxidation, and the Truth About “Rancidity”

Daily Value ·

2026/01/05

Omega-3 supplements are at the center of a controversy regarding their oxidation levels and potential harm. This presentation addresses the gap between claims of harm and the available human data, explaining how oxidation is measured and interpreted. 00:00 Introduction to Omega-3 Supplements 00:49 Understanding Oxidation in Fish Oil 01:10 Measuring Oxidation: Peroxide, Anisidine, and Totox Values 01:50 The Flavoring Problem in Oxidation Testing 02:46 Market Surveys and Oxidation Failure...

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9:06

A Nutrient Mixture That Tunes Brain Signaling

Daily Value ·

2025/12/12

Nutrients are usually studied in isolation, yet synapses don’t operate that way. This episode examines research showing that coordinated nutritional inputs can reshape synaptic proteins and neural firing patterns (effects that isolated inputs fail to produce). The shift isn’t about stronger signaling, but more organized signaling within brain circuits. The goal: explain why biological systems respond to combinations rather than singles, how coordinated inputs influence synaptic receptors, pro...

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9:34

How One Amino Acid Touches Two Aging Pathways

Daily Value ·

2025/12/09

L-arginine is usually treated as a simple nitric-oxide precursor, a molecule with a narrow vascular role. But across multiple lines of research, it keeps appearing in places it shouldn’t: improving cerebral blood flow in older adults, shifting cognitive performance, and, most unexpectedly, altering how amyloid-β proteins aggregate in the brain. This episode unpacks why these effects are so unusual, and how they connect to the long-standing arginine paradox: the biochemical mismatch between ho...

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11:09

Two Missing Nutrients, Big Brain Consequences

Daily Value ·

2025/12/04

Parkinson’s is often framed as a brain-first disorder, but some of its earliest changes unfold in the gut. This episode unpacks a global metagenomic analysis showing that two surprisingly ordinary microbial compounds, ones most people consume every day, quietly disappear in Parkinson’s. When these pathways vanish, gut defenses weaken, protective metabolites fall, and enteric neurons may become vulnerable to the toxins that start pathology long before tremors appear. The goal: reveal how the l...

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9:51

The Nutrient Your Stress System Overuses

Daily Value ·

2025/12/02

A new brain-imaging meta-analysis has uncovered the first consistent biochemical signature across multiple anxiety disorders (a shift in a single molecule that moves in the opposite direction of every major psychiatric condition studied to date). Even more surprising, a separate study in young adults under metabolic strain reveals a nearly identical pattern emerging outside the brain. In this episode, we trace the science behind this unexpected overlap, follow the trail of this overworked mol...

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10:00

Magnesium: The ‘Best’ Form Isn’t What You Think Part 2

Daily Value ·

2025/11/27

Magnesium salts are often marketed as if they target specific tissues - i.e., “threonate for the brain,” “glycinate for calm,” “taurate for the heart.” Part 2 breaks down what the evidence actually shows: animal studies demonstrating tissue differences that have never been replicated in humans, cognitive and sleep trials where multiple forms show benefit, and meta-analytic data indicating what really drives long-term outcomes. The goal: clarify the real distinctions between magnesium forms, l...

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9:25

Magnesium: The ‘Best’ Form Isn’t What You Think Part 1.

Daily Value ·

2025/11/25

Magnesium supplements are marketed like different compounds with different biological targets - i.e., “for sleep,” “for the brain,” “for stress,” “for energy.” But the foundation of these claims depends on chemistry: how magnesium salts dissolve, how they release Mg²⁺ in the gut, and how much actually reaches circulation. Part 1 breaks down the first half of the magnesium story: why magnesium must be paired with a counter-ion, how dissolution determines real absorption, and what modern data s...

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8:29

Common Longevity Medication… Performance Killer?

Daily Value ·

2025/11/20

A medication used by millions (including off-label usage for “longevity” purposes) may alter the fundamental pathways responsible for exercise adaptation. This episode reviews new 2025 data showing reduced improvements in vascular insulin sensitivity, aerobic capacity, and glucose regulation when the medication is paired with structured training. We look at prior evidence of blunted mitochondrial respiration and diminished hypertrophy, along with 2020 transcriptomic findings that paint a more...

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7:50

The Mitochondrial “Vitamin” from Interstellar Dust

Daily Value ·

2025/11/06

There’s a molecule that’s been tentatively identified in the same interstellar material that forms stars and planets, yet it also shapes growth, metabolism, and cognition here on Earth. In several mammalian species,Its absence causes deficiency and it's repletion, resolution; and no, it’s not a vitamin, but should it be? Its chemistry is analogous to the combination of vitamin B2, vitamin B6 vitamin C, and its role in evolution may trace back to the very beginning of biology. 00:00 – From Int...

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11:25

Boost Your Serotonin Naturally: The Nutrition Secret

Daily Value ·

2025/11/04

Serotonin is often described as the “happiness molecule,” but its biology tells a larger story. Nearly every step in serotonin’s synthesis and signaling, from the transport of dietary tryptophan to the enzymes that convert it, is influenced by nutrition. This episode examines how macronutrients, micronutrients, and gut-derived metabolites shape serotonin availability across the brain and body. Protein and carbohydrate balance determine how much tryptophan enters the brain. Specific vitamins a...

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7:42

Discovered: an amino acid that helps the gut heal itself

Daily Value ·

2025/10/30

Every few days, your gut rebuilds itself completely - cell by cell, guided by signals we still don’t fully understand. For years, scientists have known that diet can influence this process, but the exact messenger between what we eat and how the gut heals has remained a mystery. In this episode, we look at new research from MIT that uncovers a surprising link between diet, the immune system, and regeneration in the intestine. It’s a story about how a single nutrient can activate immune cells ...

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7:34

Creatine’s Role in Mitochondria is Bigger Than You...

Daily Value ·

2025/10/28

Creatine’s story has been far too small for its biology. Most people still see it as a supplement for strength or cognitive performance, but its most important work happens inside the mitochondria. In this episode, we explore a side of creatine few people talk about: how it may function as mitochondrial medicine. We’ll break down 3 distinct ways creatine acts in and supports the mitochondria; roles that could reshape how we think about energy, resilience, and cellular health. And beyond...

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11:20

Polyphenols Are Doing Something No One Expected

Daily Value ·

2025/10/23

In this episode of The Daily Value, we look at new research suggesting that polyphenols might be doing something we never expected — not just acting as antioxidants, but organizing themselves into microscopic structures that can stabilize the very proteins that keep our cells alive. It’s a discovery that could reshape how we think about plant compounds and resilience at the molecular level. We explore how this structural behavior gives new meaning to the idea that diversity matters in our die...

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17:03

Lead Exposure from Protein Supplements Explained

Daily Value ·

2025/10/21

In this episode of The Daily Value, we examine Consumer Reports’ October 2025 findings on lead in protein powders. The investigation tested 23 products and found that more than two-thirds exceeded the organization’s internal lead safety threshold. We discuss what those results mean in biological terms, how regulatory limits differ between the FDA, EFSA, and Health Canada, and how supplement exposure compares to everyday dietary intake. 00:00 Introduction 00:08 Consumer Reports Investigation ...

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9:27

Coffee: The 2025 Blueprint

Daily Value ·

2025/10/02

October 1st (yesterday) was International Coffee Day. In this episode, we trace coffee’s journey from ancient ritual to modern science. Once a sacred brew in Ethiopia and Yemen, coffee now fuels billions daily. In 2025, research is rewriting how we should drink it. In this episode, we uncover why timing intake, keeping coffee unsweetened, and using the right brewing method matter for long-term health. We also look at new data linking clean coffee to lower risk of chronic liver disease. Coffee...

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13:34

Women and Alzheimer’s: A New Lead

Daily Value ·

2025/08/26

Why are nearly two-thirds of Alzheimer’s patients women? For decades, the explanation seemed simple: women live longer. But the numbers don’t add up. Even after 80, when survival rates even out, women are still more likely to be diagnosed. A new lead may finally expose what’s been hiding in sex-specific biology. 00:00 Introduction: The Alzheimer's Gender Imbalance 00:05 Uncovering Biological Clues 01:39 The Role of Lipid Metabolism 02:47 New Study Sheds Light 03:49 Detailed Findings on Lipi...

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11:35

The Case of the Missing Molecules

Daily Value ·

2025/08/21

Parkinson’s disease has long been defined by the death of neurons in the brain. Yet, decades before tremors appear, the first signs emerge quietly in the gut. Recent evidence reveals a puzzling disappearance: microbial pathways that once produced two well-known compounds fall silent. Their absence strips away protective metabolites, erodes the intestinal barrier, and leaves neurons exposed to toxins that ignite α-synuclein fibrils. Could the vanishing of two simple vitamins be an overlooked t...

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10:16

Two Compounds That Recharge Aging Neurons

Daily Value ·

2025/08/19

In the aging brain, neurons begin to lose a hidden currency. Not just ATP, but GTP - that powers their ability to clear away toxic proteins. Without it, the cleanup crews stall, and amyloid builds up. A team at UC Irvine may have uncovered a way to recharge that system using two familiar compounds. In aged and Alzheimer’s model neurons, this pairing restored GTP, reactivated trafficking pathways, and swept away protein aggregates. In this episode, we follow the trail from dwindling cellular e...

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8:47

The Microbes That Pay Your Energy Bill

Daily Value ·

2025/08/14

Your gut microbes don’t just digest food, they can power you. In this episode, we uncover a hidden energy stream: short-chain fatty acids produced when microbes ferment plant fibers, potentially supplying anywhere from 2% to 10% of your daily calories. A new Cell study quantifies this microbial contribution with a unique level of precision, revealing how dietary choices drives the yield. We look at the mechanisms behind this energy exchange, , and show why increasing fiber intake is one of th...

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12:22

Hidden in the Water: Lithium’s Secret

Daily Value ·

2025/08/12

What if one of the brain’s most important defenses was hiding in plain sight? In this episode, we take a look at lithium, a trace element found in water, food, and the brain itself. Long before brain scans, people made pilgrimages to lithium-rich springs, swearing the waters restored their health. A century later, it became a psychiatric drug. But new research from Harvard Medical School has uncovered something unique: lithium is a master regulator in the brain, and one of the earliest change...

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81 results

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