What You Need to Know About Organic Foods

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Organic food is grown and handled under USDA rules that ban most synthetic pesticides and fertilizers, GMOs and irradiation.[1] Organic produce carries fewer pesticide residues, but research hasn’t shown it to be clearly more nutritious than conventional food.[2] Below: what organic farming does and doesn’t do, how to read organic labels, and why organic costs more.
Disclaimer: This article is general information, not medical or nutrition advice.
Food label basics
  • Check the Nutrition Facts label for added sugar, sodium and saturated fat.[3]
  • Look for the USDA Organic seal; “natural” isn’t a regulated term for most foods.[1]
  • Check allergen statements if you have food allergies.[4]

Table of Contents

Why is Organic Food important?

Read below to know why organic food is important:

1. Promotes Ecological Balance
2. Increases Biodiversity
3. Reduces Pollution
4. Uses Renewable Resources

Organic farming has real environmental upsides, along with a few trade-offs.
  • Promotes Ecological Balance – Organic farms rely on crop rotation, cover crops, compost and natural pest control instead of most synthetic inputs. The trade-off is yield: organic yields are typically lower, from about 5% to 34% depending on the crop and conditions, so organic farming can need more land to grow the same amount of food.[5]
  • Increases Biodiversity – The decreased usage of chemicals for weed removal, insect and pest removal, and enhanced crop growth through fertilizer leaves the soil less polluted. This supports the growth of wildlife in the surrounding areas, whether it is plants or animals, as there is more food to consume for both.
  • Different crops take different nutrients from the soil, and crop rotation ensures that the soil is not completely leeched off due to the continuous growth of one crop. The break period allows the soil to refurbish itself with the lacking nutrients before the next cycle.
  • Reduces Pollution – Using fewer synthetic pesticides and fertilizers can cut runoff into soil and water. Organic farms aren’t spray-free, though; they may use a short list of approved substances.[1]
  • Uses Renewable Resources – Practices such as using manure and compost, crop rotation, etc., are all renewable resources, as well as using the natural wildlife in the surrounding to control the insect population, and planting filler crops in the offseason to keep the soil fresh and nutrient-dense, are all part of renewable resources.

How to check if food is really Organic?

Here are few things to check if a food is really organic:

1. PLU Label
2. 100% Organic Label
3. USDA Organic Label
4. Made with Organic Ingredients Label
5. Transitional Label

Now that you have some idea about the importance of consuming and growing as much of the crop organically as possible let’s take a look at how to find out if your product is really Organic. The first and most important step is to check the label of the product you are buying and read through it carefully.
  • PLU Label – Loose fruits and vegetables sometimes carry a PLU (price look-up) sticker. A 5-digit code starting with 9 means organic, but the system is voluntary, so a 4-digit code doesn’t prove produce isn’t organic. Check the sign or the seal too.[6]
  • 100% Organic Label – Only foods labeled ‘100% organic’ must be entirely organic (excluding salt and water). A plain ‘organic’ label means at least 95%, as below.[1]
  • USDA Organic Label – Products with this label are made with at least 95% organic ingredients, excluding water and salts.[1] USDA Organic’s green and white seal label can only be used on products certified by a USDA-accredited certifying agent.[1]
  • Made with Organic Ingredients Label – ‘Made with organic…’ means at least 70% organic ingredients. These products can’t use the USDA seal.[1]
  • Transitional Label – Land must go 3 years without prohibited substances before its crops can be sold as organic.[7] ‘Transitional’ isn’t a USDA organic label; some private certifiers use it for crops grown during those 3 years.

Other Factors to identity Organic Food

Shape, size and smell can't tell you whether food is organic:

1. Shape
2. Size
3. Smell

  • Shape – Uniform shape mostly reflects the variety and how the store sorts its produce. Organic and conventional produce are both graded, so odd shapes don’t signal organic. Growing your own? See our organic fertilizer picks.
  • Size – Size depends on variety, weather and harvest time. Organic produce can be smaller, but plenty of conventional produce is small too.
  • Smell – A strong smell usually means ripeness or spoilage, not organic status. The only reliable signs are the USDA Organic seal, an organic label or sign, or the certifier’s name.[1]

Why is Organic Food More Expensive?

Here is the reason why organic food is more expensive:

1. Low Production, High Demand
2. High Production Cost
3. Cost-Ineffective Manufacturing and Marketing

Organic food often costs more. These are the main reasons.
  • Low Production, High Demand – Organic farms produce less per acre and supply is smaller, while demand keeps growing, which pushes prices up.[5]
  • High Production Cost – Due to limited space, crop rotation, and other such practices, organic crops are not grown in a big batch like conventionally grown crops. The high production cost is also influenced by the higher input rate given by farmers for organic crops, like weeding and tiling by hands.
  • Cost-Ineffective Manufacturing and Marketing – Regardless of the small batches of fresh produce produced, the post-harvest processing and transportation costs remain high, making it difficult for farmers to make a profit with a low-cost margin. The small volumes of products ensure that the marketing and distribution chain costs remain ineffective in terms of profit.

What the Research Says

Dietary guidelines recommend a healthy eating pattern built on vegetables, fruits, whole grains, lean proteins and healthy oils, organic or not.[8] A large review found organic food less likely to carry pesticide residues but found no strong evidence that it is more nutritious.[2] Organic certification covers how food is grown and processed, not its nutrition.[1]

Sources

  1. USDA Agricultural Marketing Service. Organic Labeling Standards. Accessed October 16, 2026.
  2. Smith-Spangler C, Brandeau ML, Hunter GE, et al. Are organic foods safer or healthier than conventional alternatives? A systematic review. Ann Intern Med. 2012;157(5):348-366. Accessed October 18, 2026.
  3. U.S. Food and Drug Administration. How to Understand and Use the Nutrition Facts Label. Accessed October 16, 2026.
  4. U.S. Food and Drug Administration. Food Allergies: What You Need to Know. Accessed October 16, 2026.
  5. Seufert V, Ramankutty N, Foley JA. Comparing the yields of organic and conventional agriculture. Nature. 2012;485(7397):229-232. Accessed October 18, 2026.
  6. International Federation for Produce Standards. PLU Codes. Accessed October 18, 2026.
  7. Electronic Code of Federal Regulations. 7 CFR 205.202, Land requirements. Accessed October 18, 2026.
  8. Dietary Guidelines for Americans, 2020-2025. Dietary Guidelines for Americans, 2020-2025. Accessed October 16, 2026.

Update History

  • Oct 2026: Corrected the claim that organic food is nutritionally better (Smith-Spangler 2012); corrected the label tiers (plain ‘organic’ means at least 95%; only ‘100% organic’ means 100%); noted that the PLU 9 prefix is voluntary and ‘transitional’ isn’t a USDA label; replaced the shape/size/smell tips with the seal or label as the only reliable sign; added organic yield and land-use trade-offs (Seufert 2012); toned down the price section; Sources (FDA, USDA AMS, Dietary Guidelines, Annals of Internal Medicine, Nature, IFPS, eCFR)
  • Mar 2021: First published

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About the Author

Eliza Ward

Eliza Ward is a writer, nature lover and full-time mother of three, based in South Africa. She writes Organic Aspirations' guides to organic food, nutrition basics and family products. She researches each product from manufacturer information and organic and safety certifications (checked with the certifier where possible), along with guidance from health authorities, and she cites her sources. She is not a medical professional and does not test products hands-on. How we research products.