Best Supplements for Hair Loss
Hair loss is one of the most common concerns I hear from patients. While some hair shedding is normal, many people notice increased hair loss during times of stress, hormonal changes, nutritional deficiencies, or certain medical conditions.
In many cases, hair loss is temporary and related to changes in the hair growth cycle. Identifying the underlying cause is the most important step, but certain nutrients may help support healthy hair growth when deficiencies or hormonal shifts are involved.
Below are some of the supplements I most commonly discuss with patients experiencing increased hair shedding.
Iron
Iron deficiency is one of the most common causes of hair loss in women. Even when hemoglobin levels are normal, low iron stores (measured by ferritin) can contribute to increased shedding.
Iron plays an important role in oxygen delivery to hair follicles. When levels are low, the body prioritizes vital organs, and hair growth may slow or stop.
Iron supplementation may be helpful for:
Women with heavy menstrual cycles
Individuals with low ferritin levels
Fatigue and hair shedding occurring together
Iron should ideally be taken under medical guidance since excess iron can cause side effects.
NP-Recommended Option
Vitamin D3 and K2
Low vitamin D levels are very common and have been associated with several types of hair loss, including telogen effluvium and alopecia areata.
Vitamin D plays a role in hair follicle cycling and immune regulation. Many patients with hair loss are surprised to find that their vitamin D levels are low on routine labs.
Vitamin D may support hair health by:
Supporting normal hair follicle growth cycles
Supporting immune balance
Supporting overall skin and scalp health
NP-Recommended Option
Biotin
Biotin is one of the most widely marketed supplements for hair health. True biotin deficiency is rare, but biotin can still support keratin production, which is important for hair structure.
Biotin supplements are commonly included in hair-support formulas and may help strengthen hair over time.
Biotin may be helpful for:
Brittle hair
Weak nails
Nutritional gaps affecting hair structure
It’s important to note that biotin can interfere with certain laboratory tests, so it should be stopped several days before blood work.
NP-Recommended Option
Collagen
Collagen provides amino acids that help support the structure of skin, hair, and connective tissue. Some patients notice improvements in hair thickness and strength when supplementing with collagen regularly.
Collagen also supports scalp health and may help provide the building blocks needed for stronger hair strands.
Potential benefits include:
Supporting hair strength
Supporting skin and scalp health
Providing amino acids used in keratin production
NP-Recommended Option
Omega-3 Fatty Acids
Omega-3 fatty acids support scalp health and may help reduce inflammation that can affect hair follicles.
They are also beneficial for overall skin health and may support hair density over time.
Omega-3s may be particularly helpful for individuals with dry scalp, inflammatory conditions, or hormonal hair thinning.
NP-Recommended Option
When to See a Healthcare Provider
Hair loss can have many different causes, including thyroid disorders, iron deficiency, hormonal changes, autoimmune conditions, and medication side effects.
If hair shedding is persistent or worsening, it may be helpful to discuss the issue with a healthcare provider. Blood tests may help identify underlying causes such as iron deficiency or thyroid dysfunction.
A Simple Hair Support Stack
For patients experiencing increased hair shedding, I often start with a simple foundational approach that may include:
Vitamin D
Iron (if ferritin is low)
Biotin or a hair-support formula
Collagen peptides
Omega-3 fatty acids
The goal is to support overall hair follicle health while also addressing any underlying nutritional deficiencies.
Important Note
The information on this site is for educational purposes only and should not replace individualized medical care. If you are experiencing significant or sudden hair loss, it is important to discuss this with a healthcare professional.
