What are the best gummies for hair growth and thickness? The best hair gummy is one with ingredients that have at least some human evidence, at clear doses, and that fixes a gap you actually have. Biotin only helps if you're deficient, which is rare. Look instead for ingredients such as pumpkin seed, zinc and antioxidants, a transparent label, third-party testing and a 3-month commitment.
Do hair growth gummies actually work?
They can help, but they're not magic. Supplements work best when they fill a gap, such as low zinc, iron or vitamin D, or support your hair while your body recovers from stress. No gummy can reverse genetic hair loss on its own. If you're seeing patches or a fast-widening part, see a dermatologist first.
Which ingredients have evidence for hair?
- Pumpkin seed: in a 2014 study of 76 men with thinning hair, 400 mg a day of pumpkin seed oil for 24 weeks increased hair count by 40%, compared with 10% on placebo.
- Zinc: needed for normal hair growth. Low zinc is linked to shedding.
- Iron: low iron is a common cause of shedding, especially in women. Get your ferritin checked before you take iron, since too much is harmful.
- Vitamin D: low levels are linked to hair loss. A blood test tells you if you need it.
- Antioxidants such as astaxanthin and vitamin E: oxidative stress is thought to play a role in hair follicle aging. Human studies on hair are still limited.
Should hair gummies have biotin?
Not necessarily. Biotin is in almost every hair gummy, but studies only show a benefit in people who are deficient. High-dose biotin can also interfere with some lab tests, including thyroid and heart tests, which the FDA has warned about. If you get regular blood work, a biotin-free gummy is the simpler choice.
How to choose a hair gummy
- Read the doses. Avoid "proprietary blends" that hide how much of each ingredient you get.
- Check the sugar. Some gummies have 4 grams or more per serving.
- Look for pectin if you want a vegan, gelatin-free gummy.
- Choose third-party tested brands.
- Plan for 3 months. Hair grows in cycles and only about half an inch a month.
What's in GROW Astaxanthin Hair Gummies?
Two pomegranate gummies of GROW provide:
- 8 mg AstaZine astaxanthin
- 100 mg pumpkin seed extract
- 50 mg sea kelp
- 30 mg horsetail
- Zinc at 136% of the Daily Value and vitamin E at 100%
GROW has no biotin, is vegan, gluten-free and soy-free, and is third-party tested. Astaxanthin helps protect hair follicles from oxidative stress, and zinc and vitamin E support a healthy scalp.*
One honest note: the pumpkin seed study above used 400 mg of oil a day, and GROW contains 100 mg of extract as part of a broader formula. We think the full formula is the point, but we want you to know the numbers.
Pair your gummies with scalp care
Hair health starts at the scalp. Pair GROW with our GROW Prebiotic Scalp Mist, or get both in the GROW Inside & Out Bundle. Shop all our hair growth supplements.
The bottom line
The best hair gummy has clear doses of ingredients with real evidence, little sugar, testing behind it, and you take it for 3 months. Skip mega-dose biotin unless you're deficient, and check iron, zinc and vitamin D with your doctor. Not sure if your hair is shedding or thinning? Read hair shedding vs hair loss.
Medically reviewed by Alex Pastorkovich, RN. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. This article is for education and is not medical advice. Talk to your doctor before starting any supplement.
