Quick Comparison

Panax GinsengShilajit
Half-Life4-8 hours (ginsenosides)6-10 hours (fulvic acid components)
Typical DosageStandard: 200-400 mg daily of extract standardized to 4-7% ginsenosides. Cereboost is a well-studied extract. Cycling is recommended (4-8 weeks on, 1-2 weeks off).Standard: 250-500 mg purified resin daily. PrimaVie is the most studied branded extract. Take in the morning with warm water or milk. Resin form preferred over powder for purity. Effects build over 2-4 weeks. Always buy from reputable sources — contamination with heavy metals is common in cheap products.
AdministrationOral (capsules, powder, root slices, tea). Standardized extracts preferred for consistent dosing.Oral (purified resin, capsules). Dissolve resin in warm water. Take in the morning.
Research Papers10 papers10 papers
Categories

Mechanism of Action

Panax Ginseng

Ginsenosides (Rb1, Rg1, Rg3, Re, and others) have diverse pharmacological actions. They modulate the hypothalamic-pituitary-adrenal (HPA) axis, reducing cortisol release under stress through glucocorticoid receptor modulation. Ginsenosides inhibit acetylcholinesterase (AChE), increasing acetylcholine levels in the hippocampus and enhancing muscarinic and nicotinic receptor function. They enhance nitric oxide production via endothelial nitric oxide synthase (eNOS) for cerebral vasodilation. Rb1 and Rg1 promote BDNF and NGF expression through activation of CREB and TrkB/TrkA signaling, supporting neuroplasticity. Rg1 specifically enhances hippocampal neurogenesis via the PI3K/Akt pathway and Wnt/β-catenin signaling, and improves spatial learning in animal models. Ginsenosides may also modulate GABA-A receptors and have antioxidant properties.

Shilajit

Fulvic acid is the primary bioactive, acting as an electron shuttle that donates and accepts electrons — enhancing mitochondrial electron transport chain efficiency by facilitating electron transfer at Complex I and II, similar to CoQ10 but through a different (non-enzymatic) mechanism. DBPs (dibenzo-alpha-pyrones) protect CoQ10 from oxidation by scavenging radicals, extending its functional life in the reduced ubiquinol form. The combination increases ATP production in mitochondria. Fulvic acid also chelates minerals (iron, zinc, magnesium) via carboxyl and phenolic groups, forming soluble complexes that transport across cell membranes via divalent metal transporter 1 (DMT1) and other channels, improving bioavailability. It has direct antioxidant effects (scavenging ROS) and anti-inflammatory effects through inhibition of complement C3 activation and NF-kB.

Risks & Safety

Panax Ginseng

Common

Insomnia, headache, gastrointestinal discomfort, increased heart rate.

Serious

May interact with blood thinners, diabetes medications, and MAOIs. Estrogenic effects — caution with hormone-sensitive conditions.

Rare

Manic episodes in bipolar individuals, severe hypertension.

Shilajit

Common

Mild GI discomfort, metallic taste.

Serious

Heavy metal contamination in unprocessed/cheap products (lead, arsenic, mercury). May increase iron absorption — caution with hemochromatosis. May lower blood pressure.

Rare

Allergic reaction, gout flare (increases uric acid in some people).

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