Shilajit vs Deer Velvet: An Honest Comparison

Deer velvet is a genuinely significant New Zealand product, and New Zealand is the world's largest producer of it. This comparison looks at what real human research actually supports for deer velvet, corrects a couple of claims that get repeated more confidently than the evidence allows, and sets it honestly against shilajit's own evidence base.

What deer velvet is, and New Zealand's role in it

Deer velvet, also called velvet antler, is the soft, growing stage of a deer's antler, harvested before it hardens, with a long history of traditional use in Chinese medicine as a general tonic. New Zealand is widely reported to be the world's largest producer, with China, Russia, and North America also significant producers. Deer velvet is a genuinely major New Zealand primary industry export, supported by dedicated research infrastructure including Velvet Antler Research New Zealand, a joint venture between the industry body Deer Industry New Zealand and AgResearch.

The one systematic review, and its blunt conclusion

A systematic review of randomised controlled human trials on deer and elk velvet antler supplements, conducted by New Zealand-based researchers and published in 2012, reviewed the available human trial evidence using a standard systematic review framework. Its stated conclusion was direct: claims that velvet antler supplements have beneficial effects for any human condition are not supported by sound clinical data from human trials. This is the strongest single piece of evidence available on deer velvet, and it is a genuinely sceptical one, worth taking seriously rather than glossing over.

What the actual human trials found

Individual randomised trials tell a similarly mixed-to-negative story:

• Rheumatoid arthritis: a 6-month, triple-blind, placebo-controlled trial in 168 patients with residual rheumatoid arthritis symptoms found no significant difference between elk velvet antler and placebo on joint pain, swelling, disease activity, function, or inflammation markers. This trial was conducted in Canada, not New Zealand.
• Athletic strength and endurance: a New Zealand trial from the University of Otago's Human Performance Centre, in 38 active young men over a 10-week strength programme, found the powder form of deer antler velvet extract improved isokinetic strength and muscular endurance compared with placebo, but found no significant effect on aerobic power, red blood cell measures, or hormone levels including testosterone. This is a real, genuine New Zealand human trial, but it is about athletic performance in healthy young men, not arthritis or joint disease, and it has not been independently replicated.

We looked specifically for a New Zealand trial on deer velvet and osteoarthritis or arthritic joint pain, since that is the claim most often marketed, and could not find one. If that specific claim is important to you, treat it as unsupported by New Zealand-based human evidence until a real trial can be identified.

The IGF-1 claim, checked

Deer velvet marketing sometimes claims it naturally raises IGF-1 or growth hormone levels, since velvet antler tissue itself contains IGF-1 as rapidly growing tissue. Human trials measuring circulating IGF-1 and growth hormone after supplementation have generally found no significant change. The amount present is considered too small to have a meaningful physiological effect once ingested, and there is no established pathway for oral IGF-1 to survive digestion intact. Treat "boosts your IGF-1" as an overclaim not supported by the human evidence we could locate.

Comparison table

The honest verdict

Deer velvet is a genuinely important New Zealand export product with real, if generally disappointing, human trial evidence behind it. Its one systematic review found no sound clinical support for any health claim, its arthritis trial found no benefit, and its strongest positive finding, from a real New Zealand study, is about strength and endurance in healthy young men, not the joint health or vitality claims most often marketed. Shilajit's own evidence base is narrower but includes a real, if similarly unreplicated, testosterone trial. Neither product should be marketed with more confidence than its actual trials support.

References

1. Gilbey A, Perezgonzalez JD. Health benefits of deer and elk velvet antler supplements: a systematic review of randomised controlled studies. 2012.
2. Allen M, Oberle K, Grace M, Russell A, Adewale AJ. A randomized clinical trial of elk velvet antler in rheumatoid arthritis. Biological Research for Nursing. 2008;9(3):254 to 261. PMID 18077778.
3. Sleivert G, Burke V, Palmer C, et al. The effects of deer antler velvet extract or powder supplementation on aerobic power, erythropoiesis, and muscular strength and endurance characteristics. International Journal of Sport Nutrition and Exercise Metabolism. 2003;13(3):251 to 265. PMID 14669926.
4. Pandit S, et al. Andrologia. 2016;48(5):570 to 575. DOI: 10.1111/and.12482.

The exact journal name for the Gilbey and Perezgonzalez 2012 systematic review could not be independently confirmed from a primary source in our research and should be verified directly before being cited elsewhere. Some other figures above are drawn from published abstracts or secondary reporting rather than full text; noted transparently in our internal research record.

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