75 Hard Rules: The Complete Guide to Andy Frisella's Mental Toughness Challenge
TL;DR
- 75 Hard is a 75-day mental toughness program created by Andy Frisella in 2019 — not a fitness program, though physical results are significant.
- 5 non-negotiable daily rules: strict diet + no alcohol, two 45-minute workouts (one outdoors), one gallon of water, 10 pages of non-fiction reading, and a daily progress photo.
- Miss any rule on any day, and you restart from Day 1. No exceptions, no grace days.
- Legitimate concerns from experts: risk of hyponatremia from forced water intake, overtraining injury risk, and the all-or-nothing psychology. Alternatives like 75 Soft/Medium exist for sustainability.
75 Hard is a 75-day mental toughness program created by entrepreneur Andy Frisella in 2019. It has 5 non-negotiable daily rules: follow a structured diet with no alcohol or cheat meals, complete two 45-minute workouts (one outdoors), drink a gallon of water, read 10 pages of a non-fiction book, and take a daily progress photo. Miss any rule on any day, and you restart from Day 1. It's marketed as a mental toughness program, not a fitness program — though the physical transformations are significant.
The 5 Official 75 Hard Rules
Rule 1: Follow a structured diet — no cheat meals, no alcohol
Pick any diet aligned with your goals (keto, paleo, carnivore, caloric deficit, caloric surplus, etc.) and follow it for 75 days with zero deviations. No cheat meals, no "just one drink," no exceptions. Frisella's official guidance doesn't prescribe a specific diet — the point is the discipline of sticking to something without compromise, not the specific macronutrient profile.
Rule 2: Two 45-minute workouts daily — one must be outdoors
Complete two separate 45-minute workouts every single day. They cannot be combined into one 90-minute session, and they must be at least 3 hours apart. One of the two must be outdoors, regardless of weather — rain, snow, heat, cold. The workouts can be any modality: lifting, running, yoga, walking, HIIT, etc. The outdoor requirement exists to force mental toughness and remove the "excuse" variable.
Rule 3: Drink one gallon of water (128 oz / 3.8 L) daily
Plain, unflavored, non-carbonated water only. Drinks with protein powder, electrolytes, flavoring, or caffeine do not count toward the gallon — you can drink those separately, but they're additional. The gallon must be consumed every day, every day, every day.
Rule 4: Read 10 pages of a non-fiction book daily
Must be a physical book or e-reader — audiobooks do not count. The book should be self-development, business, or educational in nature. No fiction, no comic books, no magazines. 10 pages minimum, every day, for 75 days straight. The Bible counts.
Rule 5: Take a daily progress photo
A photo of yourself every day to document the 75-day journey. The rationale is twofold: it creates a visual record of the transformation, and it forces daily self-reflection on your progress.
Is 75 Hard safe? The expert consensus
75 Hard has received mixed reactions from fitness and medical professionals. On one hand, most of the rules promote genuinely healthy habits: daily exercise, hydration, reading, self-reflection, abstinence from alcohol, and dietary discipline. On the other hand, fitness experts have raised several concerns:
Two high-intensity workouts daily can lead to overtraining. The program doesn't distinguish between modalities or intensity, so an athlete doing two intense workouts daily for 75 days straight faces real injury and burnout risk. The US Department of Health and Human Services recommends 150-300 minutes of moderate activity per week — 75 Hard's requirement translates to 10+ hours weekly, well above the recommendation.
One gallon of water daily can cause hyponatremia in some people. Hydration needs vary dramatically by body size, activity level, and climate. Consuming a gallon of water quickly without adequate sodium can dilute blood sodium to dangerous levels. Symptoms of hyponatremia include muscle cramping, nausea, seizures, and (rarely) death. For most healthy adults the gallon is fine, but it's not universally safe.
The "restart from Day 1" rule can promote all-or-nothing thinking. Behavioral psychologists note that rigid restart mechanics can reinforce perfectionism and discourage sustainable habit formation. If your only definition of success is "75 perfect days," a single slip can feel catastrophic — which isn't how long-term behavior change typically works.
No individualization. The program doesn't account for your current fitness level, injury history, work schedule, family obligations, or climate. What works for a healthy 30-year-old in San Diego may not work for a 55-year-old parent in Minnesota.
The softer versions: 75 Soft and 75 Medium
In response to the rigidity of 75 Hard, multiple softer variants have emerged. 75 Soft (created by TikTok user Stephen Gallagher) calls for one workout per day (45 minutes), drinking 3 liters of water instead of a gallon, reading 10 pages daily, eating well with flexibility (one cheat meal and one drink per week allowed), and no restart requirement for minor slips. 75 Medium typically involves two workouts per day but without the outdoor requirement, more flexible water targets, and allows audiobooks and some flexibility in the diet rule.
These variants are arguably more sustainable for most people and may produce better long-term habit formation. The trade-off is losing the specific "mental toughness" element that makes 75 Hard distinctive.
How supplements fit into 75 Hard
Supplements are allowed and often helpful during 75 Hard, as long as they align with your chosen diet. Key ones to consider:
Protein (XWERKS Grow). Two daily workouts dramatically increase protein needs. Hitting 1.6-2.2g/kg daily is easier with a high-quality whey protein isolate. Grow's 25g per scoop helps close the gap when food alone isn't practical.
Creatine (XWERKS Lift). Supports the daily training volume, accelerates recovery between sessions, and has no effect on your water gallon (Lift is unflavored and can be mixed with water without counting as "flavored" — though strictly speaking, the water you dissolve it in would not count toward the gallon under the program's official rules).
Pre-workout (XWERKS Ignite). Two workouts per day is a significant demand — a moderate-stim nootropic pre-workout (150mg caffeine) provides focus and energy without the crash of higher-stim products. (Why moderate caffeine works better.)
Intra-workout (XWERKS Motion). For the longer or more intense sessions, Motion's Cluster Dextrin + BCAAs + electrolytes supports sustained output and recovery — particularly important when you're training twice a day.
Electrolytes. A gallon of water daily without adequate electrolytes can dilute blood sodium. Adding electrolytes (not to the water that counts toward your gallon, but separately) helps prevent hyponatremia and muscle cramping.
The 75 Hard Summary
The 5 Rules: (1) Structured diet, no alcohol or cheat meals. (2) Two 45-min workouts daily, one outdoors. (3) One gallon of water daily. (4) Read 10 pages of non-fiction daily. (5) Daily progress photo.
The restart rule: Miss any rule on any day, start over from Day 1.
The intent: Mental toughness and discipline, not primarily fitness or weight loss — though the physical transformations are often significant.
The risks: Overtraining, hyponatremia from excessive water, all-or-nothing thinking, and unsustainability beyond the 75 days.
The alternative: 75 Soft — a gentler version that still builds the core habits with more flexibility and sustainability.
Built for 75 Hard
XWERKS Grow (protein), Lift (creatine), Ignite (low-stim pre-workout), Motion (intra-workout). The supplement stack designed for athletes who train twice a day and refuse to compromise.
SHOP GROW → SHOP LIFT →Further Reading
Low Stim Pre-Workout — Why 150mg caffeine works better for high-frequency training.
How Many Calories in a Pound? — For the diet component of 75 Hard.
Electrolytes Before Bed — Important for anyone drinking a gallon of water daily.
Official 75 Hard Info (Andy Frisella) — The source.
