Here are the celebrities of the supplement world when it comes to promoting hair growth and preventing hair loss.  *Always check with your health care provider before taking supplements. Some supplements have not been included in the list below because of a possibility of a stronger negative effect on the health of the man taking them:

1. Black currant oil: High in Gamma-Linolenic Acid, which supports hair growth.  May take 60 to 90 days for visible results. 1 gram a day.
2. Capsicum: Increases blood flow to the scalp thus stimulating and accelerating hair growth up to 40-50 percent.
3. Danshen (Red Sage): Danshen has been known since ancient times to preserve the hair that is currently on your head. Some hair-preserving shampoos include a mixture of sage in them.  Try adding a little sage (liquid alcoholic extract of the leaf) to your shampoo.
4. Dong Quai: (Chinese Angelica) helps block the process of DHT production. It is a Chinese herb traditionally used for high blood pressure and hair re-growth among other things.  Known as a rare non-animal source of B-12 and aphrodisiac.  Thorough, conclusive testing has not yet been completed.
5. Evening primrose oil: High in Gamma-Linolenic Acid, which supports hair growth from the inside.  May take as long as 60 to 90 days for visible results. 200 mg – 500 mg a day
6. Flaxseed oil: One tbsp daily or one tablet – roughly 4,000mg
7. Fo Ti (Polygonum multiflorum or He shou-wu): A Chinese herb used in Ori­ental medicine that has been linked to slowing or stopping hair loss.  Try 400-500 mg three times daily.
8. Full-spectrum Enzyme com­plex: 1 capsule with each meal
9. Ginger: It is rich in fatty acids. It boasts properties that increase circulation and stimulate the hair follicle.
10. Grape Seed Extract: Contains Flavonoids that helps grow epithelial cells.  Take 100-160mg a per day
11. GREEN TEA EXTRACT: Effective for fighting against the transformation of male testosterone to DHT.
12. HOPS: Thicken and condition hair with nourishing oils.
13. Horsetail: Contains Selenium and Silicon.  These minerals promote scalp circulation.  Check with holistic health care provider before use.
14. Jojoba Oil: Used traditionally for centuries to promote hair growth and for dandruff control. This oil imitates healthy scalp-produced sebum.
15. L-ARGININE: A natural amino acid necessary to grow new hair.  Hair follicles need nitric oxide.
16. Lemongrass: Stabilizes natural oil production on the scalp. Amplifies hair and gives the appearance of fullness.
17. Licorice: This plant legume contains a compound that prevents conversion of testosterone to DHT. Add licorice to your favorite shampoo when you shower.  Too much Licorice may lower potassium in bloodstream
18. L- LYSINE: Another amino acid that treats hair loss. Take about 1g per day.
19. NETTLE: Clinically shown to inhibit 5-Alpha Reductase.  Also provides stimulation increasing vitamins A and C, amino acids and minerals to circulate more efficiently throughout the scalp.
20. Omega-3 fatty acids: Possibly stop hair loss. Some people believe it makes it possible to grow new hair. Fish such as Herring, Salmon and Mackerel contain high amounts.  Also may be taken in supplement form.
21. Safflower: Aids in the stimulation of blood vessels on the scalp – opening them up for more nutrients to get to the follicle. Used topically in oil form massaged onto scalp or add a small amount into your shampoo.
22. Rosemary: Shown to increase circulation, remove dandruff and sebum accumulations.  Great when used topically in olive oil and massaged into hair and scalp.  Stimulate the scalp by pouring a quarter-size amount in your hand then gently rubbing onto scalp.  This should improve scalp circulation.  Or instead mix 3 to 5 drops to each ounce of shampoo.