🌿

Best Herbal Supplements (2026)

Ashwagandha, turmeric, and botanical extracts

79 products reviewed and ranked · Updated February 2026

Our #1 Pick

KSM-66 Ashwagandha by NutraHerbals

NutraHerbals · $18-24 · Capsules

"The most clinically studied ashwagandha extract — KSM-66 root-only formula"

If you're going to take ashwagandha, use KSM-66. The clinical evidence is overwhelming — 24+ studies showing benefits for stress, sleep, testosterone, and performance. The 600mg dose in this product matches the protocols used in clinical trials. Just make sure you're getting genuine KSM-66 (look for the logo on the bottle) and give it 4-8 weeks to work.

GMP Certified Non-GMO Gluten-Free Vegan

Full Rankings

#	Product	Price	Amazon	Rating
1	KSM-66 Ashwagandha by NutraHerbals NutraHerbals · Capsules	$18-24	4.5 25,000+	9.0
2	Nutricost KSM-66 Ashwagandha Nutricost · Capsule	$16-20	4.5 38,000+	9.0
3	Jarrow Formulas Curcumin Phytosome 500mg Jarrow Formulas · Capsule	$24-30	4.5 12,000+	8.6
4	Nutricost Ashwagandha KSM-66 Nutricost · Capsule	$16-20	4.6 28,000+	9.0
5	Life Extension Super Ubiquinol CoQ10 200mg Life Extension · Softgel	$36-44	4.7 4,600+	8.8
6	Nutricost KSM-66 Ashwagandha 600mg Nutricost · Capsule	$14-18	4.5 20,000+	8.8
7	Nutricost Berberine HCl 500mg Nutricost · Capsule	$16-22	4.5 15,000+	8.6
8	Ancestral Supplements Grass Fed Beef Liver (180ct) Ancestral Supplements · Capsule	$38-46	4.5 16,000+	8.4
9	Life Extension Super R-Lipoic Acid 240mg (60 Capsules) Life Extension · Capsule	$28-36	4.5 3,800+	8.2
10	Arazo Nutrition Turmeric Curcumin 2250mg Arazo Nutrition · Capsule	$18-24	4.6 40,000+	8.3
11	Sports Research Astaxanthin 12mg Sports Research · Softgel	$22-28	4.6 14,000+	8.7
12	Youtheory Ashwagandha 1000mg Youtheory · Capsule	$14-18	4.5 25,000+	8.6
13	Thorne Meriva Curcumin Phytosome Thorne · Capsule	$36-48	4.5 6,800+	8.6
14	Doctor's Best High Absorption CoQ10 with BioPerine 100mg Doctor's Best · Softgel	$18-24	4.7 32,000+	8.4
15	Life Extension Super Bio-Curcumin 400mg (60 Capsules) Life Extension · Capsule	$22-28	4.6 4,600+	8.2
16	Nutricost N-Acetyl L-Cysteine (NAC) 600mg (180 Capsules) Nutricost · Capsule	$14-18	4.5 14,000+	8.2
17	Doctor's Best High Absorption CoQ10 400mg (60 Veggie Caps) Doctor's Best · Veggie Capsule	$28-36	4.6 6,200+	8.0
18	Spring Valley Turmeric Curcumin 500mg Spring Valley (Walmart) · Capsule	$12-16	4.6 22,000+	6.5
19	NOW Foods Maca Root 750mg NOW Foods · Capsule	$10-14	4.5 20,000+	8.2
20	NOW Foods Milk Thistle 300mg NOW Foods · Capsule	$14-20	4.6 22,000+	8.3
21	Life Extension Curcumin Elite Turmeric Extract Life Extension · Capsule	$22-30	4.6 5,400+	8.4
22	Ancestral Supplements Grass Fed Bovine Colostrum Ancestral Supplements · Capsule	$48-58	4.4 3,200+	7.8
23	Garden of Life Dr. Formulated Brain Health Memory & Focus Garden of Life · Tablet	$28-36	4.2 2,800+	7.6
24	Swanson Berberine 400mg (60 Capsules) Swanson · Capsule	$8-12	4.4 6,800+	7.4
25	Irwin Naturals CBD + Ashwagandha Stress Support Irwin Naturals · Softgel	$24-32	4.3 5,000+	8.4
26	Doctor's Best High Absorption Curcumin Doctor's Best · Capsule	$18-26	4.5 28,000+	8.4
27	NOW Foods Super Cortisol Support (90 Capsules) NOW Foods · Capsule	$16-22	4.4 6,200+	7.6
28	BulkSupplements Glutathione Reduced Powder (100g) BulkSupplements · Powder	$28-36	4.3 4,800+	7.4
29	Ancestral Supplements Grass Fed Beef Tallow Ancestral Supplements · Capsule	$38-48	4.5 1,800+	7.2
30	Solgar Evening Primrose Oil 1300mg (60 Softgels) Solgar · Softgel	$16-22	4.6 4,800+	7.6
31	Ancestral Supplements Grass Fed Beef Spleen Ancestral Supplements · Capsule	$38-46	4.5 3,200+	7.6
32	Swanson Berberine 400mg Swanson · Capsule	$10-14	4.5 12,000+	8.0
33	NOW Foods Oregano Oil Softgels NOW Foods · Softgel	$12-16	4.6 12,000+	8.3
34	NatureWise Curcumin Turmeric 2250mg NatureWise · Capsule	$20-28	4.6 45,000+	8.0
35	Doctor's Best Alpha-Lipoic Acid 600mg Doctor's Best · Capsule	$20-28	4.6 8,800+	8.0
36	NOW Foods Olive Leaf Extract 500mg (120 Capsules) NOW Foods · Capsule	$12-16	4.6 8,800+	7.6
37	Solaray Berberine 500mg Solaray · Capsule	$16-22	4.5 8,000+	8.1
38	NOW Foods Maca 750mg NOW Foods · Capsule	$10-14	4.5 16,000+	7.8
39	Jarrow Formulas Ubiquinol QH-absorb 200mg Jarrow Formulas · Softgel	$38-48	4.7 5,000+	8.8
40	Youtheory Turmeric Curcumin Youtheory · Tablet	$16-22	4.6 32,000+	7.8
41	Doctor's Best Nattokinase 2000 FU Doctor's Best · Capsule	$16-22	4.6 8,200+	8.0
42	Ancestral Supplements Grass Fed Beef Thymus Ancestral Supplements · Capsule	$42-52	4.5 1,800+	7.0
43	NOW Foods Sunflower Lecithin 1200mg (200 Softgels) NOW Foods · Softgel	$14-18	4.7 14,000+	7.8
44	Nutricost Maca Root 750mg Nutricost · Capsule	$12-16	4.5 10,000+	7.6
45	BulkSupplements Ashwagandha Extract BulkSupplements · Capsule	$14-20	4.4 18,000+	7.4
46	NOW Foods Boswellia Extract 500mg NOW Foods · Softgel	$14-18	4.5 9,600+	7.6
47	NOW Foods Super Cortisol Support NOW Foods · Capsule	$18-24	4.4 7,400+	7.8
48	NOW Foods Rhodiola Rosea 500mg NOW Foods · Capsule	$14-18	4.5 8,000+	8.4
49	Zhou Nutrition Thyroid Support Zhou Nutrition · Capsule	$16-22	4.3 20,000+	7.2
50	Kaged Mindset Nootropic Kaged · Capsule	$32-42	4.4 2,800+	7.8
51	Pure Encapsulations Quercetin 250mg Pure Encapsulations · Capsule	$28-36	4.6 4,800+	7.8
52	Nutricost Ashwagandha Root Extract 600mg Nutricost · Capsule	$14-18	4.5 18,000+	7.6
53	Genius Joy Serotonin Mood Booster The Genius Brand · Capsule	$28-36	4.2 9,800+	7.4
54	NOW Foods Super Cortisol Support with Relora NOW Foods · Capsule	$16-22	4.3 7,400+	7.4
55	Swanson Full Spectrum Lion's Mane Mushroom 500mg Swanson · Capsule	$8-12	4.4 7,800+	7.0
56	Ancestral Supplements Grass Fed Beef Heart Ancestral Supplements · Capsule	$38-46	4.6 5,000+	8.2
57	Life Extension PQQ Caps Life Extension · Capsule	$18-26	4.5 4,200+	7.8
58	Nutricost Saw Palmetto 500mg Nutricost · Capsule	$14-18	4.5 9,200+	7.4
59	NOW Foods CurcuBrain Longvida Optimized Curcumin NOW Foods · Capsule	$22-28	4.5 5,000+	8.4
60	Nutricost Lion's Mane Mushroom 500mg Nutricost · Capsule	$18-24	4.5 10,000+	7.8
61	Ancestral Supplements Grass Fed Beef Kidney Ancestral Supplements · Capsule	$38-48	4.5 5,200+	7.6
62	Natrol Cognium Brain Health Natrol · Tablet	$18-26	4.2 5,600+	7.2
63	Swanson Full Spectrum Turmeric Swanson · Capsule	$10-14	4.6 14,000+	7.2
64	Ancestral Supplements Grass Fed Adrenal Ancestral Supplements · Capsule	$44-52	4.5 3,800+	7.4
65	Pure Encapsulations Ashwagandha Pure Encapsulations · Capsule	$24-30	4.6 5,000+	8.8
66	NOW Foods D-Mannose 500mg NOW Foods · Capsule	$18-24	4.5 10,000+	8.4
67	Life Extension Super Ubiquinol CoQ10 100mg Life Extension · Softgel	$32-40	4.7 5,000+	9.0
68	Swanson Full Spectrum Ashwagandha Swanson · Capsule	$6-10	4.5 12,000+	7.0
69	NOW Foods Phosphatidylserine 100mg NOW Foods · Capsule	$18-24	4.5 5,000+	8.0
70	NOW Foods Astaxanthin 12mg NOW Foods · Softgel	$22-28	4.6 5,000+	8.4
71	Four Sigmatic Mushroom Coffee with Lion's Mane Four Sigmatic · Powder (Instant)	$14-18	4.3 15,000+	7.6
72	Ancestral Supplements Grass Fed Thyroid Ancestral Supplements · Capsule	$44-52	4.4 3,000+	7.6
73	NOW Foods Berberine Glucose Support NOW Foods · Softgel	$22-28	4.5 8,000+	8.2
74	NOW Foods Super Cortisol Support NOW Foods · Capsule	$18-24	4.3 5,000+	8.0
75	Nutricost KSM-66 Ashwagandha 600mg Nutricost · Capsule	$18-24	4.5 20,000+	8.6
76	NOW Foods Olive Leaf Extract NOW Foods · Capsule	$14-18	4.6 8,000+	7.8
77	Garden of Life Dr. Formulated Brain Health Memory & Focus Garden of Life · Capsule	$32-40	4.3 3,000+	7.4
78	Doctor's Best Serrapeptase Doctor's Best · Capsule	$14-20	4.5 8,000+	7.8
79	Life Extension Bio-Quercetin Life Extension · Capsule	$14-18	4.6 5,000+	8.4

Browse Other Categories