Healthy Food Guideby KarbCoach

Healthy Food Guide by KarbCoach

Franz Premium Onion Buns: Longevity analysis

Updated 2026-10-19 · Franz

Quick answer

Limit Frequency

Franz premium onion buns received a Longevity Score of 62 out of 100 (limit frequency). Refined enriched wheat bun with added sugar, canola/soy oil, and dough additives; modest fiber and sodium for one bun. Strengths include onion and poppy seeds, moderate protein for a bun, and low saturated fat, while main considerations include refined enriched wheat flour base, added sugar and dough conditioners, and canola/soy oil and turmeric/annatto colors.

Longevity Score 62/100

What helped the score?

  • Contains onion and poppy seeds
  • Moderate protein for a bun
  • Low saturated fat

What held the score back?

  • Refined enriched wheat flour base
  • Added sugar and dough conditioners
  • Canola/soy oil and turmeric/annatto colors

You are viewing the nutrition and longevity perspective. Switch to Food Integrity for ingredients and processing.

Source data, GTIN, and Healthy Food Guide analysis details

Product facts

Product
Franz Premium Onion Buns
Brand
Franz
Category
Bakery & Bread (source: Breads & Buns)
GTIN / UPC
00072220001983
Serving size
74 g (1 bun)
Source data — ingredients
Ingredient list from product label data (see Sources)
Healthy Food Guide analysis
Independent Longevity and Food Integrity scorecards. See methodology under Sources.
Data last verified

Franz

Premium Onion Buns

Limit Frequency

KarbCoach Recommendation

Limit Frequency

Refined enriched wheat bun with added sugar, canola/soy oil, and dough additives; modest fiber and sodium for one bun.

What Stands Out

Low Fiber

1g fiber

4% DV

Refined Grains

enriched unbleached wheat flour

Added Sweetener

sugar

Contains Seed Oils

canola and/or soy oil

Good Protein

7g protein

14% DV

Whole Foods

onion, poppy seeds

DV = Percent of Daily Value based on a 2,000 calorie diet

Key Positives

  • Contains onion and poppy seeds
  • Moderate protein for a bun
  • Low saturated fat

Key Concerns

  • Refined enriched wheat flour base
  • Added sugar and dough conditioners
  • Canola/soy oil and turmeric/annatto colors

Ingredient Signals

Primary protein

wheat gluten

Whole-food ingredients

onionpoppy seedsyellow corn flour

Processing signals

enriched unbleached wheat flourdough conditionersrefined baked bread

Additives

sodium stearoyl lactylatecalcium propionatexanthan gumascorbic acidmonocalcium phosphateenzymes

Seed oils

canola and/or soy oil

Added sweeteners

sugar

Ingredients

Ingredient list

ENRICHED UNBLEACHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN AND FOLIC ACID), WATER, SUGAR, YEAST, VEGETABLE OIL (CANOLA AND/OR SOY), CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: VITAL WHEAT GLUTEN, SALT, XANTHAN GUM, YEAST NUTRIENT (AMMONIUM SULFATE), DOUGH CONDITIONERS (SODIUM STEAROYL LACTYLATE, ASCORBIC ACID, MONOCALCIUM PHOSPHATE), CALCIUM SULFATE, ENZYMES, CALCIUM PROPIONATE (MOLD INHIBITOR), YELLOW CORN FLOUR, TURMERIC AND ANNATTO (WHICH IMPART COLOR), ONION, POPPY SEEDS.

Formulations can vary — check the package label for the final word.

Macronutrients

Calories

200

10% DV

Total Carbs

37g

13% DV

Protein

7g

14% DV

Saturated Fat

0g

0% DV

Fiber

1g

4% DV

Net Carbs

36g

13% DV

Sugar

5g

Added Sugar

5g

10% DV

Total Fat

2.5g

3% DV

Sodium

340mg

15% DV

Unsaturated Fat

2.5g

DV = Percent of Daily Value based on a 2,000 calorie diet

Nutrition at a Glance

Nutrition at a Glance
NutrientAmount% Daily Value
Calories20010% DV
Total Carbs37g13% DV
Protein7g14% DV
Saturated Fat0g0% DV
Fiber1g4% DV
Net Carbs36g13% DV
Sugar5g—
Added Sugar5g10% DV
Total Fat2.5g3% DV
Sodium340mg15% DV
Unsaturated Fat2.5g—

DV = Percent of Daily Value based on a 2,000 calorie diet

Amounts are per labeled serving from source data. Check the package for the final values.

Longevity scores estimate how this product’s nutrition and ingredient profile fit longer-term eating patterns. Formulations can vary — check the package label. Not medical advice. Some nutrient values may be estimated when the label is incomplete.

How this product may fit different goals

The same food can look different depending on what matters most to you. Here is a general preview of how this product may align with several common goals.

  • Low-Spike Stability

    Watch-outs

    Metabolic Health

    For someone prioritizing Low-Spike Stability, the analysis identifies considerations that may matter more than the general product score alone.

    A consideration: Higher net carbs (36g)

    This product has 2 additional signals for this goal.

    See more for this goal

  • Heart-Healthy Eating

    Mixed

    Metabolic Health

    For someone prioritizing Heart-Healthy Eating, the same nutrition and ingredient data show both supportive signals and tradeoffs.

    A tradeoff: Added-sodium ingredients (Mentions "salt". See ingredients for details.)

    This product has 1 additional signal for this goal.

    See more for this goal

  • GLP-1 Eating Support

    Watch-outs

    Metabolic Health

    For someone prioritizing GLP-1 Eating Support, the analysis identifies considerations that may matter more than the general product score alone.

    A consideration: Sweetener/sugar ingredients (Mentions "sugar". See ingredients for details.)

    See more for this goal

  • Low Sugar Lifestyle

    Watch-outs

    Metabolic Health

    For someone prioritizing Low Sugar Lifestyle, the analysis identifies considerations that may matter more than the general product score alone.

    A consideration: Sweetener signals (sugar)

    This product has 1 additional signal for this goal.

    See more for this goal

  • Appetite & Portion Awareness

    Watch-outs

    Metabolic Health

    For someone prioritizing Appetite & Portion Awareness, the analysis identifies considerations that may matter more than the general product score alone.

    A consideration: Sweetener/sugar ingredients (Mentions "sugar". See ingredients for details.)

    See more for this goal

  • Athletic Fueling

    Supportive

    Athletic Performance

    For someone prioritizing Athletic Fueling, the available data suggest this product may align in helpful ways.

    A supportive signal: Available carbohydrates (37g)

    This product has 1 additional signal for this goal.

    See more for this goal

See how this product fits your goals

Choose what matters most to you and explore a more detailed interpretation of this product's nutrition, ingredients, and tradeoffs.

Personalize this analysis

Understanding the Longevity analysis

What the Longevity analysis evaluates

The Longevity analysis looks at how a food fits broader dietary patterns over time. It combines nutritional composition with processing and ingredient-quality considerations, including ideas that originated in Meal Power Points and Food Integrity. The Longevity Score summarizes that wider picture on a 0–100 scale. It is educational context for packaged foods, not medical advice and not a guarantee of health outcomes.

Nutrients, balance, processing, and ingredients

Nutritional composition matters: protein, fiber, carbohydrates, glucose-related characteristics, fats, sodium, and micronutrients all influence how a food may support or challenge different dietary goals. Processing level and ingredient quality still count, because formulation can change the practical meaning of an otherwise tidy nutrient panel. Longevity treats those dimensions together rather than as a single nutrient number.

Who may prioritize Longevity

People following low-carbohydrate, keto-style, high-protein, glucose-conscious, or longevity-focused eating patterns often start with the Longevity analysis. It is also useful when you want one place that connects macros and micros with how processed the food is and how the ingredient list reads. The Longevity Score is designed for that broader comparison across products.

How Longevity differs from Food Integrity

Food Integrity is the focused analysis of processing, ingredients, additives, purity, and transparency. Longevity is the broader analysis of nutritional composition, metabolic and dietary characteristics, processing, and ingredient quality. A strong nutritional profile may still deserve closer Food Integrity review when additives, oils, sweeteners, or processing level raise questions the nutrient panel does not answer on its own.

Why the analyses overlap—and why to review both

The overlap is intentional. Food Integrity–related characteristics contribute to Longevity, while Food Integrity remains separately useful for deeper formulation detail. The two views are meant to complement each other, not cancel each other out. Some people reasonably prioritize one analysis based on their goals; reviewing both can reveal tradeoffs that one score alone may not show.

Common questions about this product

Is Franz Premium Onion Buns highly processed?

Food Integrity lists processing level as Highly processed. That reflects formulation and processing signals from the ingredient analysis — not a medical or regulatory classification.

Why are the Longevity and Food Integrity scores different?

Longevity emphasizes nutrition per serving and longer-term dietary alignment. Food Integrity emphasizes ingredients, additives, processing, and label transparency. The same product can score differently on those lenses.

How much fiber is in one serving?

Franz Premium Onion Buns shows about 1.04g of fiber per labeled serving in the Longevity nutrition facts.

Does it contain added sugar?

Franz Premium Onion Buns: 5g added sugar per serving; sweetener signals include sugar. Confirm the current package Nutrition Facts and ingredient list.

What helped the Longevity Score?

Key positives called out in the analysis include: Contains onion and poppy seeds; Moderate protein for a bun; Low saturated fat.

What prevented a perfect Longevity Score?

Key concerns noted include: Refined enriched wheat flour base; Added sugar and dough conditioners; Canola/soy oil and turmeric/annatto colors.

Who might evaluate this product differently?

People prioritizing different goals (for example lower carbs, higher protein, or minimally processed eating) may weigh the same bakery & bread differently. Use the goal preview on this page, then personalize in KarbCoach for your priorities.

Other published analyses in Bakery & Bread, selected from the same Healthy Food Guide catalog.

Source data and Healthy Food Guide analysis

  1. Public label databases (including USDA FoodData Central and Open Food Facts) — Possible sources for package ingredients and nutrition.
  2. Healthy Food Guide analysis (Longevity and Food Integrity) — Independent Longevity and Food Integrity scorecards.
  3. How the Longevity Score is calculated
  4. How the Food Integrity Score is calculated
  5. Scoring models: KarbCoach Longevity and Food Integrity.
  6. Independent analysis. No manufacturer affiliation.
  7. Formulations can vary by region, size, and packaging. Check the package label for ingredients, allergens, and nutrition. Not medical advice — do not use this site or the KarbCoach mobile app for allergy or health decisions. Full sources and safety details.
Label accuracy and safety information

Formulations can vary by region, size, and packaging. Check the package label for ingredients, allergens, and nutrition. Not medical advice — do not use this site or the KarbCoach mobile app for allergy or health decisions.

Sources, citations & safety

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