Buyer guides
Side-by-side, no nonsense.
When customers ask us to compare two products, we tell them the honest answer — not the one with the higher margin. These guides put our most-asked-about products head-to-head on the metrics that actually matter.
In-depth practitioner guides
6 min read · Updated May 24, 2026
Nordic Naturals Ultimate Omega vs Life Extension Super Omega-3 Plus
Two of the most-respected omega-3 supplements in the US, compared head-to-head — EPA/DHA dose, sourcing, third-party testing, and price per gram.
Both are practitioner-tier omega-3 fish oils with strong reputations. Nordic Naturals is the doctor-recommended household name; Life Extension stacks krill oil and astaxanthin into the same softgel. Here's how they actually compare on the metrics that matter.
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5 min read · Updated May 25, 2026
Soursop vs Black Seed Bitters: Which Is Right for You?
Our two flagship bitters formulas, compared on what they actually do, who they're for, and whether you should just buy both.
Soursop bitters are our bestseller. Black seed bitters are the cult favorite. They target different things — and most people end up taking both. Here's the practitioner's logic for which to start with.
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7 min read · Updated May 26, 2026
Best Magnesium for Sleep: Threonate, Glycinate, Citrate & Oxide Compared
Three of our magnesium options — Life Extension Neuro-Mag (threonate), Life Extension Magnesium Caps (three-form), and Solaray Cal-Mag Citrate — head-to-head for sleep, cognition, and daily mineral support.
Not all magnesium is the same. The form matters more than the milligrams. Here's which type of magnesium does what — and which one to pick if your goal is sleep.
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6 min read · Updated May 25, 2026
Lion's Mane Showdown: Host Defense (Mycelium) vs Gaia Herbs (Fruiting Body)
Two of the most respected mushroom brands in the US use opposite approaches to Lion's Mane. Here's what each delivers — and why both are legitimate.
Host Defense uses mycelium grown on brown rice. Gaia Herbs uses the fruiting body. The mushroom-supplement internet has been arguing about which is 'real' Lion's Mane for years. The answer is more boring — and more useful — than either side admits.
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Quick comparisons · 18 more side-by-sides
Ultimate Omega 2X vs ProOmega 2000 — Nordic Naturals Head-to-Head
Nordic Naturals Ultimate Omega 2X compared with Nordic Naturals ProOmega 2000 on dose, price, reviews, and clinical fit.
Life Extension Super Omega-3 Plus vs NOW Foods Vitamin D-3 5,000 IU
Life Extension Super Omega-3 Plus compared with NOW Foods Vitamin D-3 5,000 IU on dose, price, reviews, and clinical fit.
Life Extension Two-Per-Day Multivitamin vs Nature's Way Alive! Women's Complete Multi
Life Extension Two-Per-Day Multivitamin compared with Nature's Way Alive! Women's Complete Multi on dose, price, reviews, and clinical fit.
Life Extension Two-Per-Day Multivitamin vs Nature's Plus Source of Life GOLD Tablets
Life Extension Two-Per-Day Multivitamin compared with Nature's Plus Source of Life GOLD Tablets on dose, price, reviews, and clinical fit.
Life Extension Neuro-Mag L-Threonate vs Thorne Magnesium CitraMate + D-5000
Life Extension Neuro-Mag L-Threonate compared with Thorne Magnesium CitraMate + D-5000 on dose, price, reviews, and clinical fit.
NOW Foods Probiotic-10, 25 Billion vs Solaray Multidophilus 24
NOW Foods Probiotic-10, 25 Billion compared with Solaray Multidophilus 24 on dose, price, reviews, and clinical fit.
Mycrobiome Women's vs Mycrobiome Men's — Solaray Head-to-Head
Solaray Mycrobiome Women's compared with Solaray Mycrobiome Men's on dose, price, reviews, and clinical fit.
Stamets 7 vs MyCommunity — Host Defense Head-to-Head
Host Defense Stamets 7 compared with Host Defense MyCommunity on dose, price, reviews, and clinical fit.
Lion's Mane (120 ct) vs MycoBotanicals Brain — Host Defense Head-to-Head
Host Defense Lion's Mane (120 ct) compared with Host Defense MycoBotanicals Brain on dose, price, reviews, and clinical fit.
Super Collagen Peptides 21 oz vs Collagen Peptides Pills 270 — NeoCell Head-to-Head
NeoCell Super Collagen Peptides 21 oz compared with NeoCell Collagen Peptides Pills 270 on dose, price, reviews, and clinical fit.
Super Collagen Peptides 21 oz vs Super Collagen Powder PLUS — NeoCell Head-to-Head
NeoCell Super Collagen Peptides 21 oz compared with NeoCell Super Collagen Powder PLUS on dose, price, reviews, and clinical fit.
Sambucus Elderberry Gummies vs Sambucus Elderberry Syrup — Nature's Way Head-to-Head
Nature's Way Sambucus Elderberry Gummies compared with Nature's Way Sambucus Elderberry Syrup on dose, price, reviews, and clinical fit.
Nature's Way Sambucus Kids Gummies vs Nature's Plus Animal Parade Children's Multi
Nature's Way Sambucus Kids Gummies compared with Nature's Plus Animal Parade Children's Multi on dose, price, reviews, and clinical fit.
Soursop Bitters vs Moringa Bitters — Herbal Connections Head-to-Head
Herbal Connections Soursop Bitters compared with Herbal Connections Moringa Bitters on dose, price, reviews, and clinical fit.
Soursop Bitters vs Sea Moss Bitters — Herbal Connections Head-to-Head
Herbal Connections Soursop Bitters compared with Herbal Connections Sea Moss Bitters on dose, price, reviews, and clinical fit.
Ashwagandha + Thyroid vs Adrenal Day + Night — Gaia Herbs Head-to-Head
Gaia Herbs Ashwagandha + Thyroid compared with Gaia Herbs Adrenal Day + Night on dose, price, reviews, and clinical fit.
Creatine Strawberry vs Multi-Vitamin Elite + Amino — Thorne Head-to-Head
Thorne Creatine Strawberry compared with Thorne Multi-Vitamin Elite + Amino on dose, price, reviews, and clinical fit.
Thorne Prenatal Bundle vs Life Extension Two-Per-Day Multivitamin
Thorne Prenatal Bundle compared with Life Extension Two-Per-Day Multivitamin on dose, price, reviews, and clinical fit.