The Laws of Biochemistry Physics, One Worked Example Each

I trained natural from 12 to 30. Black belt in Taekwondo, tournaments, 2 hours in the gym a day, 7 prepared meals. People assumed I was on steroids. Then I took a 1-week vacation and the whole thing came apart. Muscles went soft. Abs blurred. Vascularity gone. Then I rebuilt it, and lost it again the next time a work deadline or a family event got in the way.

For 18 years I read that collapse as a discipline problem. It was a chemistry problem.

Chapter 5 of Better Than Natural is where I stopped treating enhancement as a set of tips and started treating it as physics. It sets out 6 laws. They are the spine of the book, and every protocol in the later chapters is one of these laws applied to a specific system. Here is each one with the example that taught it to me.

Law 1: A day natural is a day wasted

Staying natural is never neutral. It is active regression. Your baseline is a starting point and you were born unfinished.

The example is the one above. 18 years of maximum effort bought me a physique that could only exist under perfect conditions, and perfect conditions are not a life. Then I watched my friend Brett prepare for a bodybuilding show. He went from soft to shredded in 2 months. Standing near him at that show, I could see muscle density that no amount of natural lifting or dieting produces. I had already run the natural experiment at full intensity for nearly 2 decades, so I knew exactly what effort alone was worth. The chemistry was doing something my effort could not replicate.

Every day I stayed natural after that was a day I chose the handicap on purpose.

Law 2: Homeostasis, or swinging the pendulum

Your body defends its baseline. It resists fat loss, it resists muscle gain, and it builds tolerance to anything you keep constant. Growth starts when you break that balance deliberately and then let it rebound.

The smallest worked example in the book is my antihistamine rotation. Loratadine 10 mg for 2 to 3 weeks, then cetirizine 10 mg for 2 to 3 weeks, then fexofenadine 180 mg for 2 to 3 weeks, then back to loratadine. I rotate because after 2 to 3 weeks on one of them the body adapts and the effect drops off. Nothing about the molecule changed. My receptors did.

The same law scales up. GW-501516 runs 3 weeks on, 1 week off. MK-677 runs 5 consecutive days a week rather than 7. At the top end it produces the short, high-intensity bulking blocks I have filmed with Coach Trevor instead of running heavy compounds year round. Stress, then recovery, then adaptation. Constant input produces a tolerant body and nothing else.

Law 3: The law of pathways

Every outcome you want travels a biochemical route. Muscle, fat loss, drive, focus, sleep. Find the route, then command it.

This law comes with 4 rules, and the one that changes the most protocols is the limiting factor rule: the slowest system sets your overall speed.

Here is that rule with real numbers. Digestion is not 1 system, it is 7 pathways running in series, including stomach acid and protein digestion, bile flow and fat absorption, intestinal permeability, microbiome composition, histamine regulation, motility and nutrient absorption into the bloodstream. When acid, enzymes or barrier integrity are compromised, absorption of an oral compound drops 30 to 60 percent, and a man with a damaged intestinal wall may be absorbing around 40 percent of what he swallows. Those figures are the book’s, from the digestive chapter.

Give that man a stronger SARM and you have raised the input to a pathway that is not the bottleneck. Fix his acid and his barrier and every compound already in his stack works better, at the same dose, for no extra money.

Law 4: Every biological problem has a chemical solution

You do not have a discipline problem. You have a chemistry problem. Every symptom has a source, and most sources have a molecule that acts on them directly.

The worked example I use most: a man with total testosterone in the high normal range, good bloodwork, and no libido. The conventional reading is psychological, and he gets told to manage his stress. The pathway reading is different. He already has the androgen supply, so raising it again buys him nothing. Desire is initiated through melanocortin signalling in the brain, which is a separate route entirely. The book’s answer for that specific presentation is PT-141 with an oxytocin stack, and if you want the mechanism and the side effect profile before you consider it, I wrote up what PT-141 actually does and what it costs you in more detail than the book has room for.

2 other applications from the same chapter: a fat loss plateau answered with tesofensine, yohimbine and thyroid tuning, and a muscle stall answered with AC-262, MK-677 and arachidonic acid. Different symptom, same method. Name the pathway, then pick the molecule that acts on it.

Law 5: Utility versus toxicity

There are no bad drugs, only bad applications. Insulin builds slabs of muscle or puts you in a coma. Trenbolone builds a superhero physique or wrecks your stability. Context decides which one you get.

The practical form is the minimum effective dose. MK-677 sits at 10 mg for most people, and the appetite increase drives the caloric surplus that builds the muscle. For some men that appetite is too aggressive to manage, and 5 mg gets them the sleep and recovery benefit without the hunger they cannot control. 5 mg is the correct dose for that man. Dose to the effect you want, then stop.

The same test ranks whole categories. Betaine HCl, TUDCA, targeted probiotics and BPC-157 have close to zero downside at sensible doses, which is why the book puts the gut protocol before the aggressive compounds. Compare that to anything systemic, where you are actively managing side effects the whole time you run it. Cost, energy and side effect load divided by results is the ranking that decides what earns a place in my stack. I have watched that arithmetic get run backwards for years, in gyms and in clinics.

Laws 1 and 5 pull against each other, and the book leaves the tension standing. Law 1 says every day you stay natural you lose ground to somebody who did not. Law 5 says use the smallest amount that produces the effect and stop there. Run Law 1 hard and you add 4 compounds in a month and cannot attribute a single result to any of them. Run Law 5 hard and you spend a year at Level 2 being careful. I have made the first mistake far more often than the second, which is why the on-ramp in the book layers 1 addition at a time across 12 weeks.

Law 6: Human modes

You do not have one body chemistry. You have several, and they run at different times of day. Focus mode, power mode, fat loss mode, sleep mode, sex mode, longevity mode, recomp mode. Each has its own requirements.

Take 2 compounds from the same stack. GW-501516 at 10 mg goes in the morning, on an empty stomach, 30 minutes before training or cardio, because you want fatty acid oxidation running while you are moving. MK-677 at 10 mg goes before bed, because growth hormone pulses during deep sleep and the compound amplifies the pulse that is already coming. Swap the timings and you have the same 2 molecules, the same cost, and a fraction of the effect. Amateurs guess. Professionals schedule.

What the laws are actually for

Read the 6 together and you get the reason the book is ordered the way it is. Law 3 says fix the slowest pathway first, which is why the digestive chapter comes before the muscle chapter. Law 5 says start where the utility ratio is absurd, which is why the on-ramp runs testosterone support and gut repair before it runs anything aggressive. Law 2 says nothing constant stays effective, which is why every protocol in the book has an off week written into it.

Most men collect compounds. The laws are what turn a collection into a system, and a system is what survived my vacations.

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From the book: This article is drawn from Chapter 5, The Laws of Biochemistry Physics, with the digestive pathway figures from Chapter 7. The chapter carries all 6 laws in full, with the principles under each one that this article had to leave out.