Supplements With No Proprietary Blends
These supplements fully disclose every ingredient dose on the label. No proprietary blends, no hidden amounts — you know exactly what you are taking and how much.
351 products • Page 7 of 15
All supplements listed here use fully transparent labels with no proprietary blends, so you can see the exact dose of...
All supplements listed here use fully transparent labels with no proprietary blends, so you can see the exact dose of every ingredient.
As an Amazon Associate, we earn from qualifying purchases. Some links below are affiliate links — this doesn't affect our editorial independence or product ratings. How we evaluate products

Maca Powder
Navitas OrganicsUSDA Organic gelatinized maca powder at an excellent price per gram. Perfect for adding to smoothies, oatmeal, energy bars, and baked goods. Gelatinized for easy digestion and mild, malty flavor. Navitas Organics is a leading superfood brand with strong sustainability commitments. Delivers a full 3000mg clinical dose per tablespoon.

Organic India Whole Husk Psyllium
ORGANIC INDIAUSDA Organic, Non-GMO Project Verified whole psyllium husk sourced from India, where psyllium has been cultivated for centuries. Organic India is a B Corp certified company committed to regenerative farming practices. The whole husk form provides maximum gel-forming capacity and is the most traditional preparation.

NAC 600mg
Life ExtensionLife Extension is a research-driven brand known for rigorous quality standards and third-party testing. Their NAC delivers the full 600mg clinical dose with pharmaceutical-grade N-acetyl-L-cysteine. Clean formula with no unnecessary fillers. Good option for those who trust Life Extension's quality heritage.

Organic Flaxseed Oil 1242mg
NatureWiseOutstanding value at 240 softgels per bottle — a full 8-month supply at one softgel daily. Organic, cold-pressed flaxseed oil with 720mg ALA per capsule. Third-party tested for purity.

Pure MCT Oil Capsules 3000mg
Zeal NaturalsThe only MCT-concentrated option in our roundup. The 60/40 C8/C10 blend bypasses liver processing for rapid ketone production — ideal for keto dieters and cognitive support. A 360-count bottle provides a 4-month supply, making it excellent long-term value.

Maca 750mg
NOW FoodsExceptional value — delivers a 6:1 concentrate equivalent to 4500mg of raw maca per capsule at just $0.10/serving. GMP-certified with third-party testing. One capsule provides a full clinical dose. NOW Foods is one of the most trusted supplement brands for quality and consistency.

Marine Collagen
Sports ResearchWild-caught marine collagen with smaller peptide size for potentially superior absorption. Marine collagen is predominantly type I, which is the primary collagen type in skin. Pescatarian-friendly alternative to bovine collagen. Clean ingredient list.

Double Wood Magnesium Malate 1500mg
Double Wood SupplementsMagnesium is the overlooked electrolyte in most hydration discussions. Nielsen and Lukaski (2006) demonstrated that magnesium depletion impairs exercise performance independent of hydration status, and sweat losses deplete intracellular magnesium measurably. The malate form has additional research for ATP energy production. At $0.18/serving with 3,689 reviews averaging 4.5 stars, this is the most cost-effective dedicated magnesium option on our list.

Dandelion Root
Gaia HerbsGaia Herbs uses a proprietary liquid phyto-capsule that delivers a concentrated dandelion root extract with enhanced absorption compared to dry powder capsules. The company grows many of its herbs on its own certified organic farm in North Carolina and provides full traceability through their MeetYourHerbs program, where you can see the origin of each ingredient.

Foods Prime Protein Beef Powder
EquipThe best-validated dairy-free complete protein on Amazon with 2,076+ reviews at 4.5 stars and a #3 Sports Nutrition blends ranking. For Paleo, carnivore, and dairy-intolerant athletes, there's no cleaner alternative — grass-fed beef isolate with collagen, zero artificial additives, and multi-certification. Founded 2016 by Dr. Anthony Gustin as the flagship Equip product.

Grass Fed Bone Marrow Complex
PaleovalleyDelivers the highest dose at 3,600mg per serving from 100% grass-fed and grass-finished cattle. Paleovalley has a strong reputation in the ancestral health community and uses strict sourcing standards. The extra 600mg per serving compared to standard products provides additional nutrient density.

Black Cohosh
Gaia HerbsGaia Herbs uses supercritical CO2 extraction to concentrate active compounds from organic black cohosh root. Their MeetYourHerbs traceability program lets you trace your product back to its origin. Liquid phyto-caps offer faster absorption than standard capsules.

NMN Sublingual Tablets
Renue By ScienceSublingual delivery allows NMN to absorb directly through the mucous membranes under the tongue, bypassing stomach acid and first-pass liver metabolism. Renue By Science is a well-respected longevity brand with publicly available CoA testing. Ideal for those who want rapid NAD+ elevation.

Cortisol Manager - Balance Cortisol & Support Relaxation for Restful Sleep* - Includes Ashwagandha & L-Theanine for Confidence with Less Stress* - 30 Tablets (15 Servings)
Integrative TherapeuticsIntegrative Therapeutics Cortisol Manager - Balance Cortisol & Support Relaxation for Restful Sleep* - Includes Ashwagandha & L-Theanine for Confidence with Less Stress* - 30 Tablets (15 Servings) provides anxiety in a convenient form.

Glucomannan 1,800mg
NutricostDelivers a generous 1,800mg (1.8g) per 3-capsule serving at the lowest price on our list. Third-party tested for purity. Nutricost focuses on simple, effective, no-frills formulations at competitive prices. 180-capsule bottle provides 60 servings — a two-month supply when taken once daily.

CoreSeries BCAA + EAA
Transparent LabsTransparent Labs lives up to its name with fully disclosed doses of every amino acid — no proprietary blends. Their BCAA+EAA formula provides 11g total aminos per serving with an enhanced leucine dose. Natural flavoring with stevia instead of artificial sweeteners. Outstanding taste and mixability.

Zinc 30mg
Nature MadeUSP Verified at an unbeatable price. Nature Made is the #1 pharmacist-recommended supplement brand, and USP verification guarantees that the label matches what's in the bottle. At $0.05/serving, this is the most cost-effective zinc option with credible testing.

Extra Strength Flaxseed Oil 1400mg
Nature MadeThe only flaxseed oil supplement on our list with USP Verified certification — the gold standard for supplement testing that verifies potency, purity, and dissolution. Highest oil content per softgel (1,400mg) at an affordable price.

Vitamin K2 MK-7 100mcg with Coconut MCT Oil
Sports ResearchSports Research uses chickpea-derived MK-7 to offer a soy-free K2 in a Vegan Certified PlantGel softgel — a genuine formulation advantage over the many soy-based K2 products on the market, enhanced further by the coconut MCT oil base.

Organic Spirulina 500mg
NOW FoodsNOW Foods is one of the most trusted supplement brands in the industry with over 50 years of manufacturing experience and rigorous GMP compliance. Their organic spirulina is Non-GMO Project Verified and USDA Organic certified, offering strong purity assurance at nearly half the price of Hawaiian-grown options.

MK-7 90mcg
Jarrow FormulasUses MenaQ7 — the most clinically studied form of MK-7 derived from natto fermentation. Oil-based softgel enhances absorption of fat-soluble vitamin K2. Jarrow Formulas is a trusted brand with strong quality control. Good balance of quality and value.

Vegan Vitamin D3 5000IU with Coconut Oil
Sports ResearchThis is the go-to vegan D3 on Amazon for plant-based athletes. The lichen-sourced VegaDelight ingredient is the real deal — cholecalciferol, not ergocalciferol — delivering the body's preferred form of D3 without any animal inputs. Coconut oil suspension addresses the classic fat-solubility absorption challenge. With 2,643 reviews at 4.8 stars, it's well-validated by real users.

Magnesium L-Threonate 2000mg with Magtein (180 Capsules)
Sports ResearchMagnesium L-Threonate with Magtein is categorically different from standard magnesium supplements — it is the only form with published evidence of crossing the blood-brain barrier and increasing synaptic magnesium density. For those prioritizing cognitive health, memory, and sleep quality, Sports Research's 2000mg Magtein formula — Non-GMO Verified, vegan, and third-party tested — is the premium choice. Backed by 2,173 reviews at 4.7 stars.

Evening Primrose Oil 1300mg
Sports ResearchCold-pressed extraction without hexane is the key differentiator — preserving the natural fatty acid profile and avoiding solvent residues common in cheaper extraction methods. For women's health, skin hydration, and hormonal balance, this is one of the most trusted EPO products on Amazon by review volume.
This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer