Baby’s Only formula, made by Nature’s One, is safe for infants. The company originally marketed its organic formula as a “toddler formula,” but it has since introduced infant-labeled versions that meet all federal nutritional requirements for babies from birth onward. This labeling history is the main source of confusion, and it’s worth understanding why.
Why Baby’s Only Was Called a “Toddler Formula”
For years, Nature’s One sold Baby’s Only exclusively as a “toddler formula” even though its nutritional profile met infant formula standards. The company’s stated reasoning was philosophical: they wanted to encourage breastfeeding and positioned their product as a second choice for families who couldn’t or chose not to breastfeed past the first year. Pediatricians and feeding specialists frequently pointed out that the formula’s nutrient composition was suitable for infants, and many parents used it from birth despite the toddler label.
Nature’s One eventually began offering Baby’s Only as a labeled infant formula, which means it now goes through the FDA’s infant formula notification process. This requires the manufacturer to demonstrate that the product meets all 30 nutrient specifications the FDA mandates for infant formulas sold in the United States. The FDA does not “approve” any infant formula, but it does review these submissions and has authority to pull products that don’t meet safety and nutritional standards.
What’s in the Formula
Baby’s Only formulas use organic ingredients, which is one of the main reasons parents seek them out. The Gentle variety, for example, uses organic nonfat milk as a source of A2 proteins, organic whey protein concentrate, and organic lactose as the carbohydrate. A2 protein is a type of casein that some parents prefer because it may be easier on digestion than the more common A1 protein found in conventional cow’s milk, though evidence on that distinction in infants is limited.
The line comes in several varieties, including dairy-based, soy-based, and sensitivity options. Each is designed to provide the caloric density and nutrient balance infants need for healthy growth. The formulas include iron, which is standard and important for brain development in the first year of life.
DHA and ARA Sources
Baby’s Only formulas contain DHA and ARA, two fatty acids that support brain and eye development. Most conventional formulas get these from oils extracted from algae and fungi using industrial processing methods. Nature’s One has historically highlighted its approach to sourcing these fats, and the company avoids hexane extraction, a chemical solvent commonly used in the edible oil industry. Instead, they use egg-derived DHA in some of their products, which appeals to parents who want fewer industrially processed ingredients.
Safety and Recall History
Nature’s One has a clean safety record with infant formula specifically. The company did issue one voluntary recall, but it involved PediaSmart Soy Vanilla Beverage Mix, a completely different product line. That recall was triggered by an undeclared milk allergen: a vendor had added milk or a milk derivative to a natural flavor ingredient without disclosing it. Independent lab testing of the finished product had not detected milk allergen, and the FDA terminated the recall after it was completed. No Baby’s Only formula products were involved.
There have been no recalls, FDA warning letters, or contamination reports tied to Baby’s Only formula itself. That said, all powdered infant formulas carry a small baseline risk of bacterial contamination because they are not sterile products. This is true across every brand on the market.
Mixing and Preparation
Getting the water-to-powder ratio right matters more than many parents realize. Too much water dilutes the calories and nutrients your baby receives, which can slow growth. Too little water concentrates the formula, potentially straining your baby’s kidneys. Different formula brands use different scoop sizes and ratios, so if you’re switching to Baby’s Only from another brand, read the preparation instructions on the canister carefully rather than assuming the ratio is the same.
Use clean water that’s been boiled and cooled to at least 70°C (158°F) if your baby is under two months old or was born premature, as this reduces the risk of bacterial contamination in the powder. For older, healthy infants, room temperature or warm water is typically fine, but always follow the specific instructions on the label.
How It Compares to Other Organic Formulas
The organic infant formula market has grown significantly, with brands like Bobbie, Burt’s Bees, Earth’s Best, and Happy Baby all competing in the space. Baby’s Only stands out for a few reasons: its long track record (Nature’s One has been making organic formula for over two decades), its avoidance of certain industrial processing methods for DHA and ARA, and its use of lactose as the primary carbohydrate rather than corn-based sweeteners.
Lactose is the sugar naturally found in breast milk, and it’s generally considered the ideal carbohydrate for infant formula. Some budget formulas use corn syrup solids or maltodextrin instead, which provide calories but lack the biological match of lactose. Baby’s Only’s use of organic lactose across its dairy-based formulas is a genuine nutritional advantage, not just a marketing point.
Price is the main trade-off. Baby’s Only typically costs more per ounce than conventional formulas from Similac or Enfamil, though it’s competitive with other organic options. If organic sourcing and cleaner processing methods matter to you, it’s a solid choice. If your primary concern is simply meeting your baby’s nutritional needs safely, conventional formulas that meet FDA requirements do that just as reliably.

