Sources and original illustrations

Primary references and the limits of this educational collection.

Primary references

• USDA MyPlate: Vegetable Group — Vegetable variety and use of fresh, frozen and canned forms in a balanced pattern.
• USDA: Make Half Your Grains Whole Grains — Whole-grain selection and varied grain choices.
• USDA MyPlate: Protein Foods Group — Varied protein foods including beans, lentils, eggs, seafood and soy.
• FDA: How to Understand and Use the Nutrition Facts Label — Serving-size interpretation and comparing labeled nutrient amounts.
• FDA: Sodium in Your Diet — Sodium across ingredients and label-based comparisons.
• USDA FSIS: Safe Minimum Internal Temperature Chart — Thermometer-based safe cooking and reheating temperatures.
• USDA FSIS: Leftovers and Food Safety — Prompt refrigeration, safe leftover storage and reheating.
• FDA: Selecting and Serving Produce Safely — Produce washing and safe preparation.
• NIDDK: Changing Your Habits for Better Health — Realistic goals, planning, barriers and returning after setbacks.
• NIDDK: Choosing a Safe and Successful Weight-Loss Program — Realistic individual approaches and avoiding unsupported outcome promises.
• NIDDK: Eating, Diet and Nutrition for Constipation — Food fiber sources and gradual dietary fiber changes rather than abrupt escalation.
• CDC: How to Have Healthier Meals and Snacks — Practical meal choices at home and when eating away.
• Health Canada: Healthy Eating on a Budget — Budget-aware choices and using affordable food forms.
• Health Canada: Healthy Eating at Home — Keeping usable nutritious choices available at home.
• USDA: Efficient Eats: Cook Once, Eat Multiple Times — Cooking efficiently for smaller households while preserving variety.
• USDA: Seasoned Roasted Vegetables Video Transcript — Using plain frozen vegetables as a flexible cooking ingredient.

Original visual material

The diagrams in this edition are original SVG illustrations explaining the sequence or decisions in each guide. They do not show a laboratory experiment, a personal trip or a tested product result. No photographs from the linked sources are reproduced.

Check the source in context

References were consulted during preparation of this edition. A source may cover a broader or narrower question than a particular guide; the support notes above explain why it is listed. Read the original for methodology, exceptions and updates.