The Honest Dose
Ingredient guides, practical questions, and a closer look at what the research can and cannot tell us.
Energy drinks vs coffee compared by a physician: caffeine, sugar, effects on heart rhythm and blood pressure, and where a d9-caffeine capsule fits.
Read the article →: Energy Drinks vs Coffee: Which Is Better for Your Energy?
What HMB is, what the research shows in beginners, trained lifters and older adults, how to dose it, and how it compares with creatine and PeptiStrong.
Read the article →: HMB Supplement: Does It Work? HMB vs Creatine vs PeptiStrong
A physician review of supplements for focus: caffeine, caffeine with L-theanine, creatine and bacopa, how fast each works, and what the evidence really says.
Read the article →: Supplements for Focus: What the Evidence Actually Supports
Can you take L-theanine and magnesium together? What each does, what the research shows, safe doses, and a simple daytime and evening routine with d9-caffeine.
Read the article →: L-Theanine and Magnesium: Can You Take Them Together?
How much L-theanine to take, the doses used in human studies, how long it takes to work, and how to dose it alongside d9-caffeine. A physician guide.
Read the article →: L-Theanine Dosage: How Much to Take and How Long It Takes to Work
How caffeine affects anxious feelings, who is most sensitive, how much is too much, and how a measured d9-caffeine dose with L-theanine fits. A physician guide.
Read the article →: Caffeine and Anxiety: How Much Is Too Much, and Where L-Theanine Fits
Why caffeine gives you the jitters, what makes them worse, how to calm them down fast, and where d9-caffeine with L-theanine fits. A physician guide.
Read the article →: Caffeine Jitters: Why They Happen and How to Stop Them
Can you take creatine and caffeine together? What the research shows, why one old study raised concerns, how to time both, and how d9-caffeine fits.
Read the article →: Creatine and Caffeine: Can You Take Them Together?
Does caffeine dehydrate you? What studies of coffee and hydration show, when caffeine does raise urine output, and how to stay hydrated with d9-caffeine.
Read the article →: Does Caffeine Dehydrate You? What the Research Actually Shows
Caffeine withdrawal symptoms explained by a physician: when they start, how long they last, why the headache happens, and how to taper or simplify with d9-caffeine.
Read the article →: Caffeine Withdrawal Symptoms: Timeline, Headaches and How to Taper
How much caffeine is too much: the FDA and EFSA daily limits, signs you have had too much, caffeine in coffee and energy drinks, and how d9-caffeine fits.
Read the article →: How Much Caffeine Is Too Much? Daily Limits, Warning Signs and d9-Caffeine
A physician guide to muscle building and recovery supplements: what the evidence supports, how to dose creatine, protein and PeptiStrong, and what to skip.
Read the article →: Muscle Building Supplements: What Actually Works and What to Skip
How much protein you need to build muscle, a simple body weight chart, how much per meal, whether before or after a workout matters, and where PeptiStrong fits.
Read the article →: How Much Protein Do You Need to Build Muscle? And Does Timing Matter?
Overtraining symptoms explained by a physician: overreaching vs overtraining, how long recovery takes, when a deload week helps, and how to set one up.
Read the article →: Overtraining Symptoms and When to Take a Deload Week
Strength vs hypertrophy training explained: how loads, reps and rest differ, what the research says about heavy and light weights, and how to get stronger.
Read the article →: Strength vs Hypertrophy Training: What Is the Difference?
Why grip strength is one of the best markers of overall health, the best exercises to increase it, a simple weekly plan, and where PeptiStrong fits.
Read the article →: How to Increase Grip Strength, and Why It Matters for Health
What muscle atrophy is, how quickly muscle and strength are lost with a cast or bed rest, the warning signs, and how to rebuild with training and protein.
Read the article →: Muscle Atrophy: Causes, How Fast It Happens and How to Rebuild
What skinny fat means, why a normal weight can still hide health risks, and a physician plan for body recomposition: build muscle and lose fat at once.
Read the article →: Skinny Fat: What It Means and How to Fix It With Body Recomposition
Why strength training matters more for women over 40 and 50, what changes at menopause, a simple weekly plan, and where PeptiStrong fits.
Read the article →: Strength Training for Women Over 40 and 50: A Physician's Guide
How long it really takes to build muscle: what changes in the first weeks, when real growth starts, why progress slows, and where PeptiStrong fits.
Read the article →: How Long Does It Take to Build Muscle? A Realistic Timeline
Why muscles get sore a day or two after a workout, what helps (massage, light activity), what does not (stretching), and PeptiStrong recovery data.
Read the article →: Sore Muscles After a Workout? What DOMS Is and What Actually Helps
What sarcopenia is, how fast muscle and strength decline with age, how it is diagnosed, and the proven steps (lifting, protein) that help.
Read the article →: Sarcopenia: Muscle Loss With Age and What You Can Do About It
What myostatin is, why animals without it grow so much muscle, how strength training affects it, and what a 2023 PeptiStrong trial measured. A plain guide.
Read the article →: What Is Myostatin? The Body's Muscle Brake, Explained
What muscular endurance is, how it differs from strength and cardio, how to train it using ACSM guidance, and what a 2025 trial found on PeptiStrong.
Read the article →: Muscular Endurance: What It Is and How to Build It
Fava bean nutrition per cup, the benefits of this ancient legume, who should avoid it (G6PD deficiency), and how fava protein became PeptiStrong.
Read the article →: Fava Beans: Nutrition, Benefits and the Muscle Peptide Inside
Peptides for muscle growth explained: how food-derived peptides like PeptiStrong differ from injectable peptides like BPC-157 in evidence, safety and law.
Read the article →: Peptides for Muscle Growth: Food Peptides vs Injectables Like BPC-157
How strength training supports bone density, what the LIFTMOR trial found, how protein, calcium and vitamin D fit, and a PeptiStrong bone finding.
Read the article →: Strength Training and Bone Density: What the Research Shows
Can plant-based protein build muscle as well as animal protein? What research shows on amount, leucine and quality, and where fava bean peptides fit.
Read the article →: Plant-Based Protein for Building Muscle: Where Fava Bean Peptides Fit
How to recover faster between workouts: sleep, protein, training load and massage, plus what a 2023 trial found on PeptiStrong and strength recovery.
Read the article →: How to Speed Up Muscle Recovery: What the Research Supports
Why weight loss and GLP-1 medications can cost muscle, what protects it (protein and strength training), and where PeptiStrong fits.
Read the article →: Muscle Loss During Weight Loss and GLP-1s: How to Keep Your Muscle
Caffeine and L-theanine for long shifts: what shift-work research shows, how to time d9-caffeine for 12-hour days and nights, and safety rules.
Read the article →: Caffeine and L-Theanine for Long Shifts: A Physician's Guide to d9-Caffeine
Caffeine and L-theanine for studying: what research shows on focus and memory, why sleep still wins, and how to time d9-caffeine on study days.
Read the article →: Caffeine and L-Theanine for Studying: A d9-Caffeine Guide
Why the afternoon slump hits around 2 or 3 p.m., why a late coffee makes tomorrow worse, and how a morning dose of d9-caffeine fits instead.
Read the article →: The Afternoon Slump: Why It Happens and How d9-Caffeine Fits
Caffeine plus L-theanine is the original nootropic stack. What the research shows, why the ratio matters, and how d9-caffeine rebuilds it.
Read the article →: The Original Nootropic Stack, Rebuilt With d9-Caffeine
Can you take L-theanine with coffee? What the research used, why the DIY version is hard to dose, and a simpler option built on d9-caffeine.
Read the article →: Can You Take L-Theanine With Coffee? A Simpler Way With d9-Caffeine
L-theanine side effects explained: headache, drowsiness, blood pressure and interactions, plus what to know when it is paired with d9-caffeine.
Read the article →: L-Theanine Side Effects: What to Know, Including With d9-Caffeine
Matcha vs coffee vs d9-caffeine with L-theanine: caffeine, L-theanine, ratio and how long each lasts, compared side by side by a physician.
Read the article →: Matcha vs Coffee vs d9-Caffeine With L-Theanine
Caffeine and L-theanine for gaming: what the esports research shows, why d9-caffeine suits long sessions, and how to time it around sleep.
Read the article →: Caffeine and L-Theanine for Gaming: Why d9-Caffeine Fits Long Sessions
Time-release caffeine and d9-caffeine both aim to last longer, but they work differently. How they compare on onset, peak, duration and dose.
Read the article →: d9-Caffeine vs Time-Release Caffeine: Two Ways to Make Caffeine Last
Are you a fast or slow caffeine metabolizer? How genes, smoking and medications change caffeine clearance, and what it means for d9-caffeine.
Read the article →: Fast or Slow Caffeine Metabolizer? What It Means for d9-Caffeine
What caffeine tolerance is, how fast it builds, how withdrawal works, and what tolerance means if you use d9-caffeine. A physician-written guide.
Read the article →: Caffeine Tolerance: What It Is and What It Means for d9-Caffeine
Why the caffeine crash happens, from adenosine catching up to daily withdrawal, and how the longer curve of d9-caffeine changes your caffeine plan.
Read the article →: The Caffeine Crash: Why It Happens and Where d9-Caffeine Fits
What the half-life of caffeine means, why it varies so much from person to person, and how d9-caffeine changes the timeline for your energy and sleep.
Read the article →: Caffeine Half-Life Explained, and How d9-Caffeine Changes It
Can d9-caffeine work as a pre-workout? What the caffeine and exercise research shows, how d9 differs, and how to time it around training and sleep.
Read the article →: d9-Caffeine as a Pre-Workout: What to Know
What is deuterium, is it safe, and why is it in d9-caffeine? A plain guide to heavy hydrogen, heavy water, and how much is in each capsule.
Read the article →: What Is Deuterium? The Heavy Hydrogen in d9-Caffeine
Caffeine pills and d9-caffeine are both caffeine, but they work on different timelines. How they compare on dose, duration and how to choose.
Read the article →: d9-Caffeine vs Caffeine Pills: What's the Difference?
How to take d9-caffeine with L-theanine: how many capsules, the best time of day, protecting your sleep, and how to count your coffee.
Read the article →: How to Take d9-Caffeine With L-Theanine: Dose, Timing and Sleep
Why pair L-theanine with d9-caffeine? What the caffeine and L-theanine research shows, why it fits the d9 peak, and what L-theanine does not do.
Read the article →: d9-Caffeine and L-Theanine: Why Pair Them?
d9-caffeine and paraxanthine fix caffeine in opposite ways. How they differ on duration, dose and research, and which one fits your day.
Read the article →: d9-Caffeine vs Paraxanthine: Which One Fits Your Day?
What is d9-caffeine? How deuterated caffeine works, what the human research shows, how long it lasts, and how to use it safely.
Read the article →: What Is d9-Caffeine? Deuterated Caffeine, Explained
