Is undefined Safe During Pregnancy? (Updated 2026 Guide)
Updated March 12, 2026
Mcdonalds
You can use this, but maybe don't make it your everyday go to. Not the end of the world if you've used it. Consult your OBGYN or midwife if you have concerns.
Pregnancy Safe is 100% independent and research driven. No companies pay to promote or sponsor products.
What Ingredients Are in ?
has 32 ingredients. We flagged 2 ingredients to use with caution.
hydrogenated soybean oil
CAUTION
Hydrogenated soybean oil is processed oils containing artificial trans fats.
sodium aluminum phosphate
CAUTION
Sodium aluminum phosphate is a common metal found in food, cookware, antiperspirants, antacids, and vaccine adjuvants. A leavening agent containing aluminum; associated with developmental concerns at high exposure levels.
baking soda
LIKELY SAFE
Baking soda is an alkalizing compound used as an antacid and in various medical formulations.
monocalcium phosphate
LIKELY SAFE
Monocalcium phosphate is mineral compounds used as food additives for preservation and texture in processed foods and beverages. A leavening agent; safe in typical food amounts but contributes to phosphate intake.
sodium acid pyrophosphate
LIKELY SAFE
Sodium acid pyrophosphate is a food additive used as an emulsifier and leavening agent in processed foods.
yeast extract
LIKELY SAFE
Yeast extract is a yeast species used in baking, brewing, and as a dietary supplement for immune support and lactation. A natural flavor enhancer that is safe during pregnancy; provides B vitamins and umami flavor.
calcium lactate
SAFE
Calcium lactate is a food additive used as a firming agent, acidity regulator, and calcium supplement in various culinary applications.
canola oil
SAFE
Canola oil is a light, mild tasting vegetable oil derived from the seeds of the canola plant, commonly used for cooking and baking. A heart healthy cooking oil rich in omega-3s; safe during pregnancy.
corn
SAFE
Corn is a versatile cereal grain known for its sweet flavor and starchy texture, widely used in cooking and food production worldwide. Corn is safe during pregnancy and provides fiber and essential nutrients.
corn oil
SAFE
Corn oil is a light, mild tasting vegetable oil derived from the germ of corn kernels, commonly used for frying and baking.
dextrose
SAFE
Dextrose is a simple sugar, also known as glucose, commonly used as a sweetener and energy source in food and beverages. A simple sugar safe during pregnancy; contributes to overall sugar intake so moderation is wise.
enriched flour
SAFE
Enriched flour is refined wheat flour that has been fortified with added nutrients such as iron and B vitamins to restore some of the vitamins lost during processing. Fortified with folic acid and iron, both critical nutrients during pregnancy.
folic acid
SAFE
Folic acid is a synthetic form of vitamin B9 essential for DNA synthesis and cell growth. Critical for preventing neural tube defects; one of the most important nutrients in early pregnancy.
iron
SAFE
Iron is a vital mineral essential for the formation of hemoglobin and the transport of oxygen throughout the body. Essential mineral that prevents anemia and supports increased blood volume during pregnancy.
lemon juice solids
SAFE
Lemon Juice solids are the concentrated, dehydrated components of lemon juice that retain the lemon's flavor and aroma.
modified corn
SAFE
Modified corn is a genetically or chemically altered form of corn designed to enhance its traits such as yield, pest resistance, or processing qualities.
natural flavors
SAFE
Natural flavors are derived from plant or animal sources and used to enhance the taste of food and beverages. Generally recognized as safe, though the specific source ingredients are proprietary; no known pregnancy concerns at typical consumption levels.
niacin
SAFE
Niacin, also known as vitamin B3, is a water soluble vitamin essential for energy metabolism and maintaining healthy skin and nerves. Vitamin B3 supports energy metabolism and is safe at food fortification levels.
pea
SAFE
A small, round green legume known for its sweet flavor and versatility in various dishes. High in fiber, protein, and folate; an excellent pregnancy safe food.
riboflavin
SAFE
Riboflavin is a water soluble B vitamin (vitamin B2) essential for energy production and the metabolism of fats, proteins, and carbohydrates. Vitamin B2 supports energy production and fetal development; safe and beneficial.
rice
SAFE
Rice is a versatile staple grain that serves as a primary source of carbohydrates in many cuisines worldwide. A safe, easily digestible carbohydrate; choose varied grains for balanced nutrition.
salt
SAFE
Salt is a mineral essential for flavor enhancement and preserving food. Essential in moderation; excess sodium can worsen pregnancy related swelling and blood pressure.
soybean oil
SAFE
Soybean oil is a versatile, plant based oil extracted from soybeans, commonly used for cooking, frying, and as an ingredient in processed foods. A common cooking oil; safe during pregnancy when consumed as part of a varied diet.
spices
SAFE
Spices are aromatic plant derived seasonings used to enhance the flavor and aroma of dishes. Culinary spices are safe during pregnancy; avoid medicinal doses of specific herbs.
thiamine mononitrate
SAFE
Thiamine mononitrate is a synthetic form of vitamin B1 used as a dietary supplement and food additive to support energy metabolism. Vitamin B1 supports nervous system development; safe and beneficial during pregnancy.
vegetable oil
SAFE
Vegetable oil is a versatile, plant derived oil commonly used for cooking, frying, and baking. Safe during pregnancy; used in small amounts as a processing aid in gummy supplements.
vegetable starch
SAFE
Vegetable starch is a natural carbohydrate extracted from plants like corn, potatoes, or tapioca, used as a thickening agent in cooking and food production.
water
SAFE
Water is a clear, tasteless, and essential liquid that sustains all known forms of life. Essential for amniotic fluid, increased blood volume, and overall pregnancy health.
wheat
SAFE
Wheat is a cereal grain widely cultivated for its edible seeds, which are a primary source of flour used in baking and food production.
wheat flour
SAFE
Wheat flour is a finely ground powder made from milling wheat grains, commonly used as a primary ingredient in baking and cooking. Staple carbohydrate source; safe during pregnancy unless you have celiac disease.
white boneless chicken
SAFE
White boneless chicken is tender, lean meat from the chicken's breast or thigh, commonly used in a variety of savory dishes.
yellow corn flour
SAFE
Yellow corn flour is a finely ground powder made from dried yellow corn, commonly used in baking and cooking to add flavor and texture.
Are Other Mcdonalds Products Safe During Pregnancy?
We looked at 2 other Mcdonalds products. 0 are pregnancy safe (A or B grade), while 2 need a closer look.
| Grade | Product | Type |
|---|---|---|
| C | Big Mac | sandwich |
| C | Double Cheeseburger | sandwich |
How Does Compare to Other Chicken Nuggets?
We graded 151 Chicken Nuggets for pregnancy safety. Here's how they stack up:
earns a C grade, placing it among the top of Chicken Nuggets. About 81% of products in this category get an A or B grade.
How Do We Score Products for Pregnancy Safety?
We analyze each product's ingredients and category to flag known risks and provide cautionary notices for general category safety concerns.
A - Safe
Excellent choice! All ingredients are considered safe during pregnancy.
What to do: Use with confidence.
B - Likely Safe
Pretty much safe with very minimal risk. Some ingredients may have limited pregnancy studies, but no significant safety concerns have been identified.
What to do: Use with confidence.
C - Limit
Contains ingredients with some pregnancy considerations. Research shows these ingredients may have limited safety data, potential for minor hormonal effects, or require caution based on animal studies.
What to do: Use sparingly and consider safer alternatives when available.
D - Caution
Similar to C grade but contains multiple cautionary ingredients. The combination increases overall concern.
What to do: Try to avoid if that makes you feel better. If you've already used it, no need to panic.
F - Avoid
Contains ingredients with established risks during pregnancy. Research shows these can cause birth defects, developmental harm, or serious maternal complications.
What to do: Do not use during pregnancy. If you've already used it, don't worry - contact your OBGYN if concerned.
People Also Checked
Olipop® Crisp Apple Prebiotic Soda Can
Olipop
Method Body Wash Wind Down
Method
Palmers Cocoa Butter Formula Tummy Butter For Stretch Marks
Palmer'S
La Roche Posay Face Moisturizer With Sunscreen, Toleriane Double Repair Uv Facial Moisturizing Lotion With Niacinamide - Spf 30
La Roche Posay
Miralax® Gentle Constipation Relief Laxative Powder
Miralax
