Getting Shilajit into a finished product is mostly about three decisions: which fulvic acid grade you build around, what delivery format you choose, and what you pair it with. Each one affects dose size, cost, stability, and the claims you can make. This guide walks supplement brands through all three, plus the practical handling notes that catch first-time Shilajit formulators off guard.
Start with the Active: Dose by Fulvic Acid Grade
Because Shilajit is standardised to fulvic acid, your dose is really a function of grade. A 20% extract delivers far less active per milligram than a 70% extract, so the input weight you specify must be matched to the grade you buy. The cleanest way to design a product is to fix a target fulvic-acid delivery per serving, then back-calculate the extract weight from the grade.
| Grade (fulvic acid) | Extract per serving (illustrative) | Approx. fulvic acid delivered |
|---|---|---|
| 20% | 500 mg | ~100 mg |
| 50% | 300 mg | ~150 mg |
| 70% | 250 mg | ~175 mg |
The weights above are illustrative formulation maths, not health-based dose recommendations. Typical commercial Shilajit servings cluster in the few-hundred-milligram range of extract, but your exact serving should be set with your regulatory and technical team against the rules of your target market.
Formulator tip: Higher grades let you hit the same active delivery in a smaller capsule โ valuable when Shilajit shares a capsule with other actives. A 70% grade can deliver the active payload of more than twice its weight in 20% material, freeing fill space for co-ingredients.
Choosing a Delivery Format
Shilajit's physical character โ a hygroscopic, dark, slightly acidic extract โ shapes which formats work well. Specify a free-flowing, spray-dried standardised powder (not raw resin) for any solid dosage form.
| Format | Fit for Shilajit | Notes |
|---|---|---|
| Capsules (HPMC/veg) | Excellent | The default format. Masks taste and colour, doses precisely, protects the hygroscopic powder. |
| Tablets | Good | Workable with the right excipients; manage moisture and the dark colour in coating. |
| Stick packs / sachets | Good | Popular for "mix-in" mineral positioning; needs flavour masking and anti-caking control. |
| Gummies | Moderate | On-trend but technically demanding โ colour, acidity and active load all need managing. |
| Liquid shots / tonics | Good | Plays to Shilajit's solubility; suits premium tonic and shot positioning. |
| Raw resin jars | Premium niche | Strong consumer appeal but hard to dose and not suited to automated lines. |
Handling and Stability Notes
Three practical properties of Shilajit extract drive most formulation issues:
- Hygroscopicity: Shilajit readily absorbs moisture. Store and process under controlled humidity, and use moisture barriers in packaging. This is the single most common cause of caking and flow problems.
- Colour and staining: The dark brown-black colour can migrate in wet processes (gummies, coatings, liquids). Plan for it rather than fighting it โ embrace the dark, mineral aesthetic in the product design.
- Mild acidity: A purified extract typically sits in the acidic range (around pH 4.9 in solution for a representative batch), which is relevant when combining with pH-sensitive co-actives or in liquid systems.
A high-solubility, well-purified extract (a representative SV Botanica 70% batch shows ~96% solubility and ~97% passing #40 mesh) blends and disperses far more predictably than crude material โ another reason to specify a standardised extract powder over raw resin.
Ingredient Pairings That Work
Shilajit is most often formulated as a supporting "mineral and vitality" base alongside hero actives. Common, commercially proven pairings include:
- Ashwagandha: The flagship men's-vitality and energy combination โ adaptogen plus mineral exudate. See our Ashwagandha extract.
- Gokshura (Tribulus): Frequent partner in men's wellness and stamina formulas. See Gokshura extract.
- Safed Musli: Vitality and stamina blends. See Safed Musli extract.
- Iron, zinc and B-vitamins: Shilajit's fulvic-acid "mineral carrier" positioning makes it a natural base for mineral-support products.
- Cordyceps / energy actives: Endurance and energy formulations targeting active adults.
Label Claims: Stay on the Right Side
Shilajit is a permitted ingredient in many supplement markets, but claim rules vary widely by jurisdiction. A few principles apply almost everywhere:
- Describe the ingredient accurately โ "purified Shilajit extract (Asphaltum), standardised to X% fulvic acid." Don't imply it is a herb.
- Anchor structure/function language to what your market's regulator permits; avoid disease claims.
- Keep the standardisation claim honest โ your label percentage must match a CoA assay method you can defend.
- Hold the safety documentation โ per-batch ICP-MS heavy-metal data is part of your claim's foundation, not an optional extra.
For how to specify grade and read a CoA, see our Shilajit extract buyer's guide; for the safety testing that underpins any claim, see why heavy-metal testing matters; and to understand the actives behind the standardisation, see fulvic acid vs DBPs.
SV Botanica supplies purified Shilajit extract in 20%, 50%, and 70% fulvic acid grades as a free-flowing standardised powder suited to capsules, tablets, sachets, and liquids โ with full CoA and formulation support. Free samples are available for qualified buyers.
This article is intended for B2B formulation and sourcing purposes and does not constitute medical advice. Dosing examples are illustrative formulation maths, not health recommendations; final servings and claims must comply with the regulations of your target market.
Formulate with Standardised Shilajit Extract
20% / 50% / 70% fulvic acid ยท Free-flowing powder ยท ICP-MS tested ยท CoA & formulation support ยท GMP certified