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What Is Hexane-Extracted DHA?

📅 Updated February 2026⏱️ 4 min readNEW

TL;DR

Hexane is a petroleum-based solvent used to extract DHA from lab-grown algae in conventional baby formulas. While the FDA claims the 0.3 ppm trace residue limit is safe, the heavily processed oils are linked to severe infant gas and diarrhea. You can easily avoid it by choosing brands that use water-extracted DHA.

🔑 Key Findings

1

US formulas use hexane to extract DHA from C. cohnii algae and ARA from M. alpina fungus.

2

The FDA allows up to 0.3 parts per million of hexane residue in finished formula oils.

3

The European Union strictly bans the use of hexane in all certified organic formulas.

4

Water-extracted DHA is a readily available, chemical-free alternative used by premium brands.

The Short Answer

Hexane-extracted DHA is an omega-3 fatty acid pulled from lab-grown algae using a neurotoxic petroleum-based solvent. The FDA allows formula companies to use hexane as long as the final residue is under 0.3 parts per million.

While manufacturers claim no trace of the chemical remains in the final bottle, many parents prefer to avoid petrochemical processing entirely. Additionally, the specific lab-grown oils extracted with hexane (C. cohnii and M. alpina) are heavily linked to infant gas, bloating, and diarrhea.

Why This Matters

DHA is an essential building block for your baby's brain and eyes. Because it's naturally found in breast milk, formula companies are eager to add it to their products. Dha In Formula

The issue isn't the DHA itself, but how it gets out of the algae and into the bottle. To maximize profits and yield, companies soak the biomass in hexane, a hazardous air pollutant and known neurotoxin.

Even if the chemical is cooked off during refining, the resulting synthetic oil is structurally different from breast milk. The triglyceride structure of DHASCO (the lab-grown oil) is completely foreign to human digestion. Closest To Breast Milk

This heavy processing is why many parents notice a massive difference in their baby's digestion when they switch formulas. If your baby has severe gas or reflux, hexane-extracted oils could be the culprit. Best Formula Gassy Babies

What's Actually In Formula DHA

Look at the back of a standard formula can, and you won't see "hexane." You will see these synthetic ingredients instead. Dha Source Formula

  • C. Cohnii OilA lab-grown algae oil. This is the primary source of synthetic DHA in US formulas, commonly extracted with hexane.
  • M. Alpina OilA laboratory soil fungus. This is used to provide ARA (an omega-6 fatty acid), and is subjected to the same harsh solvent extraction.
  • DHASCO & ARASCOThe industry names for these oils. Standing for Docosahexaenoic Single Cell Oil, these proprietary blends contain only 40-50% actual DHA, with the rest being carrier oils and diglycerides.

What to Look For

Green Flags:

  • Water-extracted DHAThe cleanest method available. This uses simple water and pressure instead of harsh petrochemicals to isolate the nutrient.
  • European organic certificationThe EU bans hexane. European organic formulas are legally prohibited from using hexane extraction. European Vs American Formula
  • Egg yolk DHANaturally occurring DHA. These sources often require much less aggressive chemical processing than lab-grown algae and fungus.

Red Flags:

  • C. cohnii or M. alpinaThe dead giveaways. If you see these on the ingredient list of a conventional US formula, it was almost certainly processed with hexane.
  • Conventional US formulasLax regulations. Most standard American brands use the cheapest extraction methods available. Is Generic Formula Okay

The Best Options

You don't have to sacrifice brain-building fats to avoid hexane. Several premium brands now use clean extraction methods. Best Organic Formula

BrandProductVerdictWhy
BobbieOrganic Infant FormulaUses water-extracted DHA. Is Bobbie Good
KendamilOrganic Infant FormulaUses clean marine algae without solvents.
ByHeartWhole Nutrition FormulaDoes not use hexane-extracted DHA. Is Byheart Good
SimilacPro-Advance🚫Uses conventional C. cohnii oil. Similac Vs Enfamil

The Bottom Line

1. Check the ingredient list. Avoid C. cohnii and M. alpina oils if you want to skip hexane processing entirely.

2. Opt for water-extracted. Brands like Bobbie and Kendamil prove that you can get crucial brain-building fats without the petrochemicals.

3. Listen to your baby's gut. If they are struggling with conventional formula, switching to a clean DHA source might instantly resolve their digestive issues. Easiest Digest Formula

FAQ

Is hexane-extracted DHA banned in Europe?

Yes, the European Union bans hexane extraction for all organic formulas. If you buy a certified EU organic formula, it is guaranteed hexane-free. Is Organic Formula Worth It

Will hexane in formula hurt my baby?

The FDA claims the sub-0.3 ppm residue limit is perfectly safe for infant consumption. However, the synthetic oils themselves frequently cause severe infant stomach upset and virulent diarrhea.

Does my baby really need DHA in their formula?

DHA is critical for brain and eye development, but lab-grown DHASCO isn't the only way to get it. You can choose formulas with clean water-extracted DHA or supplement directly with high-quality infant drops. Dha In Formula


References (7)
  1. 1. cornucopia.org
  2. 2. nih.gov
  3. 3. gentlegiraffes.com
  4. 4. kabrita.com
  5. 5. mommyhood101.com
  6. 6. gimmethegoodstuff.org
  7. 7. cornucopia.org

🛒 Product Recommendations

Organic Infant Formula

Bobbie

Uses water-extracted DHA to completely bypass solvent processing.

Recommended
Organic Infant Formula

Kendamil

Uses clean marine algae extracted without petrochemicals.

Recommended
🚫
Pro-Advance

Similac

Relies on conventional C. cohnii and M. alpina oils.

Avoid
Organic Premium Infant Formula

Baby's Only

Uses **DHA naturally sourced from egg yolks** (egg lecithin) rather than lab-grown algae. This unique sourcing method completely eliminates the need for hexane solvents.

Recommended

A2 Whole Milk Toddler Formula

Serenity Kids

Explicitly guarantees their algal DHA and ARA are **non-hexane extracted**. Also features a clean fat blend with no industrial seed oils, using organic cream and coconut oil instead.

Recommended

Organic Whole Milk Formula

Nara Organics

Uses **water-extracted algal DHA** that is confirmed hexane-free. It is also the only US formula to use whole milk fats (with no skim milk) to provide natural MFGM.

Recommended

Organic Sensitivity Formula

Earth's Best

Recent packaging updates confirm the use of **'Water Assisted Extracted DHA'**. This is a significant improvement from their older formulations which faced criticism for solvent use.

Recommended

Goat Milk Formula (Stage 1 & 2)

Jovie

Sources DHA from **clean fish oil** rather than the commonly hexane-processed *C. cohnii* algae. Certified organic by EU standards which strictly prohibit hexane extraction.

Recommended
Toddler Formula

Else Nutrition

A plant-based formula that explicitly claims **'No Hexane or solvent extraction methods'** for its ingredients. Uses whole almond and buckwheat for a cleaner nutritional profile.

Recommended

Goat Milk Formula

Sammy's Milk

Uses **wild-caught fish oil** for DHA instead of fermented algae. The brand also focuses on purity by excluding all seed oils and testing every batch for heavy metals.

Recommended
HiPP Dutch Stage 1

HiPP

Uses **fish oil** for DHA, which avoids the solvent issues associated with algal oils. As a certified EU Organic product, it is legally prohibited from using hexane in its organic ingredients.

Recommended

Goat Infant Formula

Kendamil

Like their cow milk version, this formula uses **plant-based DHA extracted without hexane**. It combines the digestibility of A2 goat protein with a clean, solvent-free oil blend.

Recommended
Baby's DHA

Nordic Naturals

A pure **fish oil supplement** made from wild Arctic cod. An excellent hexane-free way to add DHA if you choose a formula that doesn't include it (like some European imports).

Recommended
Organic Bio-Goat Formula

Holle

Certified **Demeter biodynamic**, the strictest organic standard in the world. While it uses algal oil, the certification ensures it is produced without petrochemical solvents.

Recommended
👌

Toddler Drink

Kabrita

Uses **hexane-extracted DHA** but tests to confirm no residue remains. While not solvent-free, it is a high-quality goat milk option for parents who prioritize digestibility over strict extraction purity.

Acceptable
⚠️

Goat Milk Toddler Formula

Kabrita

The company acknowledges using **hexane-extracted DHA and ARA** (*C. cohnii* and *M. alpina*). While they filter it to meet FDA residue limits, it is not a solvent-free product.

Use Caution
🚫
ProCare Infant Formula

Kirkland Signature

Contains standard **C. cohnii oil** and **M. alpina oil**. As a generic store brand, it relies on the cheapest available industrial ingredients with no claims of clean extraction.

Avoid
🚫
NeuroPro Infant Formula

Enfamil

Relies heavily on **conventional lab-grown fungal and algal oils**. The 'NeuroPro' marketing highlights these added fats, but does not disclose the petrochemical extraction method used to obtain them.

Avoid
⚠️
Organic Infant Formula

Happy Baby

Despite the organic label, the ingredient list reveals **DHA Algal Oil (Schizochytrium)** and **Mortierella Alpina Oil** with no 'water-extracted' claim. The 'Organic' seal allows non-organic accessory nutrients like these to be processed with solvents.

Use Caution
⚠️

DHA Omega-3 Whole Milk

Horizon Organic

Fortified with **algal oil** that has been the subject of consumer watchdog complaints regarding hexane use. While the company disputes this, the 'synthetic' nature of the additive remains a point of controversy.

Use Caution
🚫

Good Start GentlePro

Gerber

Uses standard **C. cohnii and M. alpina oils** processed with solvents. Also contains maltodextrin and palm olein, making it a highly processed option overall.

Avoid
🚫

Sensitivity Infant Formula

Parent's Choice (Walmart)

A generic formulation using **solvent-extracted oils** (*C. cohnii* and *M. alpina*). It contains high levels of corn syrup solids (98% of carbs) alongside the processed fats.

Avoid
🚫

Infant Formula

Up & Up (Target)

Like other store brands, this uses the standard **Perrigo-manufactured blend** containing hexane-processed DHA and ARA oils. No effort is made to source cleaner ingredients.

Avoid
🚫

DHA Ultra-Filtered Milk

Fairlife

Adds **algal oil** to ultra-pasteurized milk. The product is heavily processed and likely uses standard industrial DHA sources, with no transparency regarding extraction methods.

Avoid
🚫
Alimentum

Similac

A hypoallergenic formula that relies on **C. cohnii and M. alpina oils**. While necessary for allergies, parents should be aware it is a highly synthetic product containing modified corn starch and solvent-extracted fats.

Avoid
⚠️

Pure Bliss

Similac

Marketed as a 'natural' option with fresh milk, but still contains **C. cohnii oil**. It is essentially a greenwashed version of their standard formula with the same processed fats.

Use Caution
🚫

NAN Expert Pro

Nestlé

Uses **M. alpina and C. cohnii oils**. As a mass-market conventional formula, it utilizes standard industrial extraction methods for its fatty acid blend.

Avoid

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