Every calculation Nexus shows — your calorie and macro targets, movement goal, training plan and supplement guidance — is based on the published guidance below. None of it is personal medical advice.
American Journal of Clinical Nutrition, 1990
Estimates resting energy needs from height, weight, age and sex. Nexus starts from this estimate and then adjusts for activity and the member's goal.
National Academies of Sciences, Engineering, and Medicine
The accepted reference for protein, carbohydrate and fat needs, and the ranges Nexus keeps targets inside.
U.S. Food and Drug Administration
Reference intake levels used to sanity-check calorie and macronutrient targets.
World Health Organization
Weekly aerobic and muscle-strengthening recommendations Nexus training days are built around.
U.S. Centers for Disease Control and Prevention
Public-health guidance on movement, step volume and sedentary time.
American College of Sports Medicine
The methodology behind how training frequency, intensity, time and type are set.
NIH Office of Dietary Supplements
Upper limits, interactions and evidence behind any supplement a member chooses to track.
U.S. Centers for Disease Control and Prevention
The basis for recommended nightly sleep duration and its effect on recovery.