supplements

Hair Growth Supplements for Women: What To Look For

Learn what to look for in hair growth supplements for women and discover how hair growth peptides differ from traditional formulas.

Written By: Medically Reviewed by: Dr. Maida Sabackic, PharmD, RPh

Dr. Maida Sabackic, PharmD, RPh is a licensed and registered Pharmacist. Dr. Sabackic is a 2011 graduate of Massachusetts College of Pharmacy & Health Sciences in Boston, where she obtained her Doctorate in Pharmacy. She has spent her career in community healthcare with a focus on integrative health and natural medicines. She is the Head of Science & Education at OMI WellBeauty.

Hair Growth Supplements for Women: What To Look For

In Short

  • Traditional hair growth supplements focus on vitamins and minerals, while peptides aren't technically supplements. Peptides act as biological messengers that support a healthy hair growth cycle.
  • A high-quality hair growth product should include clinically studied ingredients, a comprehensive formula, and transparent labeling.
  • OMI Hair Growth Peptides are not a supplement. They offer a targeted approach to hair wellness featuring patented IFP-131™ peptides alongside supportive nutrients like biotin, niacin, zinc, and copper. They are designed to replenish keratin directly to the follicle.

Hair thinning is a common concern for women of all ages. Whether it’s triggered by stress, aging, nutritional deficiencies, postpartum recovery, or menopause, many women turn to hair growth supplements in search of support, but not all supplements are created equal, and not all ingestible hair growth products are supplements.

If you’re comparing products, understanding what sets different supplements apart can help you select one that aligns with your hair goals. Here’s what to look for.

Hair Growth Peptides vs. Hair Supplements: How Do They Compare?

Many hair growth supplements share a similar ingredient list: biotin, zinc, vitamin D, collagen, and other vitamins and minerals associated with healthy hair. These nutrients play an important role in overall wellness and can support healthy hair growth, particularly if a deficiency is contributing to thinning. However, nutrition is only one piece of the puzzle.

Hair follicles constantly cycle through phases of growth, rest, and shedding. Factors such as stress, aging, hormones, and genetics can influence how those follicles function, which is why many newer formulations are designed to support follicle health rather than simply replace nutrients. This is where hair growth peptides differ.

Hair growth peptides are short chains of amino acids designed to support the biological processes involved in healthy hair growth. Peptide-based formulas are made to work alongside the body’s natural hair growth cycle and support the follicle from within. For women experiencing ongoing thinning, this targeted approach may offer advantages beyond supplements.

What To Look For in a Hair Growth Product

With so many products on the market, knowing what separates a high-quality product from a generic formula can make shopping much easier. Here are important qualities worth adding to your checklist.

Clinically Studied Ingredients

Look for a product formulated with ingredients backed by scientific research rather than marketing trends. While no supplement can promise overnight results, products supported by clinical testing provide greater confidence that their ingredients have been evaluated and show promising results.

Ingredient Transparency

High-quality brands have no problem explaining what’s in their products, why each ingredient is included, and the science behind their formulations. Transparent labeling helps consumers make informed decisions about what they put into their bodies.

What Nutrients Can Help Support Fuller Hair?

Certain nutrients and trace minerals play an important role in maintaining healthy, fuller hair. Getting these through your diet can support your hair growth journey.

Nutrient Benefit for Hair Best Food Sources
Protein
  • Provides the building blocks for keratin, the structural protein that gives hair its strength and elasticity
  • Low intake may contribute to shedding
  • Chicken breast, fish, beef, eggs, Greek yogurt
  • Plant sources like beans, lentils, tofu
Biotin
  • A B vitamin that supports keratin infrastructure
  • Most effective for hair growth in people with a diagnosed deficiency
  • Eggs, salmon, sunflower seeds, sweet potatoes
Niacin
  • A B vitamin that supports cellular energy production and circulation
  • Helps deliver oxygen and nutrients to the scalp and follicles
  • Meat, milk, fish, eggs
Zinc
  • Supports tissue growth and repair, keratin production, balanced scalp oil glands, and healthy follicle function
  • Oysters, red meat, poultry, beans
Copper
  • Supports collagen production and melanin formation (hair pigment)
  • Involved in enzymes that maintain connective tissue
  • Shellfish, organ meats, nuts and seeds

Protein

Hair is primarily composed of keratin , a structural protein that gives each strand its strength and elasticity. Adequate dietary protein provides the building blocks needed for healthy hair production, while inadequate protein intake may contribute to increased shedding. Chicken breast, fish, beef, eggs, and Greek yogurt are some of the best food sources of protein. Plant foods like beans, lentils, and tofu are also good sources of protein.

Biotin

Biotin remains one of the most recognized ingredients for healthier hair. As a B vitamin, it helps support keratin infrastructure, making it important for healthy hair, skin, and nails. Biotin supplements work best at promoting hair growth in people with diagnosed deficiencies. Eggs, salmon, sunflower seeds, and sweet potatoes are some of the best sources of biotin.

Niacin

Another helpful B vitamin, niacin supports healthy cellular energy production and circulation, helping deliver oxygen and nutrients throughout the body, including to the scalp and hair follicles. Incorporating plenty of meat, milk, fish, and eggs into your diet can help you get niacin.

Zinc

Zinc supports numerous cellular functions involved in tissue growth and repair, which is vital for keratin production, balanced scalp oil glands, healthy follicle function, and normal hair growth. Maintaining adequate zinc levels with foods like oysters, red meat, poultry, and beans can contribute to overall hair wellness.

Copper

Copper is a mineral that supports the body’s natural production of collagen and plays a role in the formation of melanin, the pigment responsible for hair color. It also plays a part in the activity of enzymes involved in maintaining healthy connective tissue, making it another valuable nutrient for overall wellness. You can find copper in food sources like shellfish, organ meats, and nuts and seeds

What Makes OMI Different?

OMI takes a different approach than traditional hair growth products by focusing on the biology of healthy hair growth. Our products aren’t supplements. They’re peptides. Specifically, our patented IFP-131™ Hair Growth Peptides are at the center of each formula. As opposed to a supplement, which fills a nutritional gap, our peptides work to support your follicles and replenish keratin at the source if it’s been depleted.

In addition to IFP-131™, our hair peptides also include key nutrients like niacin, biotin, zinc, and copper to provide comprehensive support for hair follicle health and overall healthy hair.

Because women experience hair shedding or thinning for different reasons, we offer targeted formulations designed to address specific concerns, including peptides for hormonal hair changes , peptides for GLP-1 hair loss , and peptides for stress-related hair shedding . This personalized approach allows you to choose a formula that best aligns with your individual needs and goals.

The Takeaway

Choosing a hair growth product involves more than comparing labels or looking for the highest biotin dose. Hair health is influenced by a wide range of biological factors, from nutrition and hormones to stress, aging, and healthy follicle function. When evaluating supplements, look for clinically studied ingredients, transparent formulations, and products designed to support healthy hair through multiple biological pathways.

As opposed to supplements, OMI Hair Growth Peptides offer a science-backed approach by combining patented IFP-131™ peptides with targeted nutritional support to promote stronger, fuller-looking hair. When paired with consistent daily use and healthy lifestyle habits, they provide well-rounded support for women looking to nourish their hair from the inside out.

Frequently Asked Questions

What is the best hair growth supplement for women?

The best solution depends on your specific needs and the cause of your hair thinning. If a nutritional deficiency is contributing to thinning, look for a supplement with clinically studied ingredients and transparent labeling. 

If you're looking to support the underlying biology of the follicle rather than correct a deficiency, a peptide-based product, like OMI Hair Growth Peptides, works differently from a supplement.

Are hair growth peptides better than traditional hair supplements?

Hair growth peptides and traditional hair supplements support hair health in different ways. While traditional supplements often focus on providing vitamins and minerals, peptide-based formulas are designed to support healthy follicle function and work alongside the body’s natural hair growth cycle. 

How long does it take for hair growth supplements to work?

Hair grows gradually, so visible results typically take several months of consistent use. Following the recommended daily dosage while maintaining a balanced diet and healthy lifestyle can help support healthier-looking hair over time.

References

Medical Disclaimer

This content is for informational and educational purposes only. It is not intended to provide medical advice or to take the place of such advice or treatment from a personal physician. All readers/viewers of this content are advised to consult their doctors or qualified health professionals regarding specific health questions. Neither OMI nor the publisher of this content takes responsibility for possible health consequences of any person or persons reading or following the information in this educational content. All viewers of this content, especially those taking prescription or over-the-counter medications, should consult their physicians before beginning any nutrition, supplement or lifestyle program.