The principles that survive the diet wars, macros and fueling, and a field guide to 15 diets.
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All 11 complete guides are included with every PreVelity program.
Why nutrition advice feels contradictory · what consistently holds up · ultra-processed food
Build the plate · fiber · the quality of carbohydrates and fats · drinks
How much, how often, from what · why needs rise with age
Saturated fat · low-carb vs. low-fat · sugar · salt · meat · coffee · alcohol
Where the general rules flex — lab-driven and life-stage adjustments, with examples
When to count · setting calories · protein, fat, carbs in order · a worked example · accuracy
Glycogen · loading by day type · before, during, after · training fasted · hydration
Fifteen diets — benefits, pitfalls, and evidence grades · how to choose
What’s worth supplementing · a practical start · myths and facts · questions to ask
What your annual physical isn’t catching — and when to go deeper on your heart and on cancer.
The metabolic problem that builds for a decade before blood sugar notices.
How to turn what you’ve learned into habits that last — and keep improving.
All-inclusive. Independent. Alongside your doctor.
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