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The ingredient guide.

Search GreenBio's curated ingredient list. A policy tier is a prompt to read the evidence, not a medical diagnosis.

How grading works

Every scan gets a score out of 100 and a grade from A to E.

  • A90+Excellent
  • B80–89Good
  • C70–79Fair
  • D60–69Bad
  • E<60Dreadful
  • CleanSimple and minimally processed
  • ProcessedRefined or manufactured
  • CautionWorth a second look
  • AvoidFlagged by our sources or by GreenBio policy

Sources: EWG, TEDX, IARC, EFSA, FDA and the EU SIN List. Educational, not medical advice.

preservative

bha

Avoid

IARC 2B possible carcinogen

GreenBio sources: IARC, TEDX

preservative

bht

Avoid

liver/thyroid concerns in animal studies

GreenBio policyOur rating here is stricter than the cited evidence alone.

GreenBio sources: TEDX

preservative

tbhq

Caution

petroleum-derived

GreenBio sources: EWG

additive

potassium bromate

Avoid

IARC 2B carcinogen

GreenBio sources: IARC

additive

azodicarbonamide

Avoid

respiratory hazard

GreenBio sources: EWG

sweetener

high fructose corn syrup

Avoid

metabolic effects

GreenBio policyOur rating here is stricter than the cited evidence alone.

GreenBio sources: NIH

sweetener

aspartame

Avoid

IARC 2B possible carcinogen (2023)

GreenBio policyOur rating here is stricter than the cited evidence alone.

GreenBio sources: IARC

sweetener

acesulfame potassium

Avoid

limited long-term data

GreenBio policyOur rating here is stricter than the cited evidence alone.

GreenBio sources: EFSA

sweetener

sucralose

Avoid

gut microbiome effects in some studies

GreenBio policyOur rating here is stricter than the cited evidence alone.

GreenBio sources: NIH

sweetener

saccharin

Avoid

historical IARC review, downgraded

GreenBio policyOur rating here is stricter than the cited evidence alone.

GreenBio sources: IARC

color

red 40

Avoid

hyperactivity in children (Southampton study)

GreenBio sources: EFSA, FDA

color

yellow 5

Avoid

allergic reactions

GreenBio sources: EFSA

Entries reflect GreenBio's operator-curated policy. Ingredient context, dose, and product formulation matter. Always check the original package for allergens.